Merge branch 'master' into poisson

Conflicts:
	Makefile
	test/cpp/qps/client_async.cc
	test/cpp/qps/qpstest.proto

51 files changed, 472 insertions, 130 deletions

diff --git a/test/core/bad_client/bad_client.c b/test/core/bad_client/bad_client.c
new file mode 100644
index 0000000000..c3725b5909
--- /dev/null
+++ b/test/core/bad_client/bad_client.c
@@ -0,0 +1,136 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "test/core/bad_client/bad_client.h"
+
+#include "src/core/channel/channel_stack.h"
+#include "src/core/channel/http_server_filter.h"
+#include "src/core/iomgr/endpoint_pair.h"
+#include "src/core/surface/completion_queue.h"
+#include "src/core/surface/server.h"
+#include "src/core/transport/chttp2_transport.h"
+
+#include <grpc/support/sync.h>
+#include <grpc/support/thd.h>
+
+typedef struct {
+  grpc_server *server;
+  grpc_completion_queue *cq;
+  grpc_bad_client_server_side_validator validator;
+  gpr_event done_thd;
+  gpr_event done_write;
+} thd_args;
+
+static void thd_func(void *arg) {
+  thd_args *a = arg;
+  a->validator(a->server, a->cq);
+  gpr_event_set(&a->done_thd, (void *)1);
+}
+
+static void done_write(void *arg, grpc_endpoint_cb_status status) {
+  thd_args *a = arg;
+  gpr_event_set(&a->done_write, (void *)1);
+}
+
+static grpc_transport_setup_result server_setup_transport(
+    void *ts, grpc_transport *transport, grpc_mdctx *mdctx) {
+  thd_args *a = ts;
+  static grpc_channel_filter const *extra_filters[] = {
+      &grpc_http_server_filter};
+  return grpc_server_setup_transport(a->server, transport, extra_filters,
+                                     GPR_ARRAY_SIZE(extra_filters), mdctx);
+}
+
+void grpc_run_bad_client_test(const char *name, const char *client_payload,
+                              size_t client_payload_length,
+                              grpc_bad_client_server_side_validator validator) {
+  grpc_endpoint_pair sfd;
+  thd_args a;
+  gpr_thd_id id;
+  gpr_slice slice =
+      gpr_slice_from_copied_buffer(client_payload, client_payload_length);
+
+  /* Add a debug log */
+  gpr_log(GPR_INFO, "TEST: %s", name);
+
+  /* Init grpc */
+  grpc_init();
+
+  /* Create endpoints */
+  sfd = grpc_iomgr_create_endpoint_pair(65536);
+
+  /* Create server, completion events */
+  a.server = grpc_server_create_from_filters(NULL, 0, NULL);
+  a.cq = grpc_completion_queue_create();
+  gpr_event_init(&a.done_thd);
+  gpr_event_init(&a.done_write);
+  a.validator = validator;
+  grpc_server_register_completion_queue(a.server, a.cq);
+  grpc_server_start(a.server);
+  grpc_create_chttp2_transport(server_setup_transport, &a, NULL, sfd.server,
+                               NULL, 0, grpc_mdctx_create(), 0);
+
+  /* Bind everything into the same pollset */
+  grpc_endpoint_add_to_pollset(sfd.client, grpc_cq_pollset(a.cq));
+  grpc_endpoint_add_to_pollset(sfd.server, grpc_cq_pollset(a.cq));
+
+  /* Check a ground truth */
+  GPR_ASSERT(grpc_server_has_open_connections(a.server));
+
+  /* Start validator */
+  gpr_thd_new(&id, thd_func, &a, NULL);
+
+  /* Write data */
+  switch (grpc_endpoint_write(sfd.client, &slice, 1, done_write, &a)) {
+    case GRPC_ENDPOINT_WRITE_DONE:
+      done_write(&a, 1);
+      break;
+    case GRPC_ENDPOINT_WRITE_PENDING:
+      break;
+    case GRPC_ENDPOINT_WRITE_ERROR:
+      done_write(&a, 0);
+      break;
+  }
+
+  /* Await completion */
+  GPR_ASSERT(
+      gpr_event_wait(&a.done_write, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5)));
+  GPR_ASSERT(gpr_event_wait(&a.done_thd, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5)));
+
+  /* Shutdown */
+  grpc_endpoint_destroy(sfd.client);
+  grpc_server_destroy(a.server);
+  grpc_completion_queue_destroy(a.cq);
+
+  grpc_shutdown();
+}
diff --git a/test/core/bad_client/bad_client.h b/test/core/bad_client/bad_client.h
new file mode 100644
index 0000000000..4834e86cce
--- /dev/null
+++ b/test/core/bad_client/bad_client.h
@@ -0,0 +1,52 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_TEST_CORE_BAD_CLIENT_BAD_CLIENT_H
+#define GRPC_TEST_CORE_BAD_CLIENT_BAD_CLIENT_H
+
+#include <grpc/grpc.h>
+#include "test/core/util/test_config.h"
+
+typedef void (*grpc_bad_client_server_side_validator)(
+    grpc_server *server, grpc_completion_queue *cq);
+
+/* Test runner.
+
+   Create a server, and send client_payload to it as bytes from a client.
+   Execute validator in a separate thread to assert that the bytes are
+   handled as expected. */
+void grpc_run_bad_client_test(const char *name, const char *client_payload,
+                              size_t client_payload_length,
+                              grpc_bad_client_server_side_validator validator);
+
+#endif /* GRPC_TEST_CORE_BAD_CLIENT_BAD_CLIENT_H */
diff --git a/test/core/bad_client/gen_build_json.py b/test/core/bad_client/gen_build_json.py
new file mode 100755
index 0000000000..67969a1a12
--- /dev/null
+++ b/test/core/bad_client/gen_build_json.py
@@ -0,0 +1,79 @@
+#!/usr/bin/env python
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+"""Generates the appropriate build.json data for all the end2end tests."""
+
+
+import simplejson
+import collections
+
+TestOptions = collections.namedtuple('TestOptions', 'flaky')
+default_test_options = TestOptions(False)
+
+# maps test names to options
+BAD_CLIENT_TESTS = {
+    'connection_prefix': default_test_options,
+}
+
+def main():
+  json = {
+      '#': 'generated with test/bad_client/gen_build_json.py',
+      'libs': [
+          {
+            'name': 'bad_client_test',
+            'build': 'private',
+            'language': 'c',
+            'src': [
+              'test/core/bad_client/bad_client.c'
+            ]
+          }],
+      'targets': [
+          {
+              'name': '%s_bad_client_test' % t,
+              'build': 'test',
+              'language': 'c',
+              'secure': 'no',
+              'src': ['test/core/bad_client/tests/%s.c' % t],
+              'flaky': 'invoke_large_request' in t,
+              'deps': [
+                  'bad_client_test',
+                  'grpc_test_util_unsecure',
+                  'grpc_unsecure',
+                  'gpr_test_util',
+                  'gpr'
+              ]
+          }
+      for t in sorted(BAD_CLIENT_TESTS.keys())]}
+  print simplejson.dumps(json, sort_keys=True, indent=2 * ' ')
+
+
+if __name__ == '__main__':
+  main()
diff --git a/test/core/bad_client/tests/connection_prefix.c b/test/core/bad_client/tests/connection_prefix.c
new file mode 100644
index 0000000000..e8bf935710
--- /dev/null
+++ b/test/core/bad_client/tests/connection_prefix.c
@@ -0,0 +1,79 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "test/core/bad_client/bad_client.h"
+#include "src/core/surface/server.h"
+
+static void verifier(grpc_server *server, grpc_completion_queue *cq) {
+  while (grpc_server_has_open_connections(server)) {
+    GPR_ASSERT(grpc_completion_queue_next(
+                   cq, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20)).type ==
+               GRPC_QUEUE_TIMEOUT);
+  }
+}
+
+int main(int argc, char **argv) {
+  grpc_test_init(argc, argv);
+
+  grpc_run_bad_client_test("conpfx_1", "X", 1, verifier);
+  grpc_run_bad_client_test("conpfx_2", "PX", 2, verifier);
+  grpc_run_bad_client_test("conpfx_3", "PRX", 3, verifier);
+  grpc_run_bad_client_test("conpfx_4", "PRIX", 4, verifier);
+  grpc_run_bad_client_test("conpfx_5", "PRI X", 5, verifier);
+  grpc_run_bad_client_test("conpfx_6", "PRI *X", 6, verifier);
+  grpc_run_bad_client_test("conpfx_7", "PRI * X", 7, verifier);
+  grpc_run_bad_client_test("conpfx_8", "PRI * HX", 8, verifier);
+  grpc_run_bad_client_test("conpfx_9", "PRI * HTX", 9, verifier);
+  grpc_run_bad_client_test("conpfx_10", "PRI * HTTX", 10, verifier);
+  grpc_run_bad_client_test("conpfx_11", "PRI * HTTPX", 11, verifier);
+  grpc_run_bad_client_test("conpfx_12", "PRI * HTTP/X", 12, verifier);
+  grpc_run_bad_client_test("conpfx_13", "PRI * HTTP/2X", 13, verifier);
+  grpc_run_bad_client_test("conpfx_14", "PRI * HTTP/2.X", 14, verifier);
+  grpc_run_bad_client_test("conpfx_15", "PRI * HTTP/2.0X", 15, verifier);
+  grpc_run_bad_client_test("conpfx_16", "PRI * HTTP/2.0\rX", 16, verifier);
+  grpc_run_bad_client_test("conpfx_17", "PRI * HTTP/2.0\r\nX", 17, verifier);
+  grpc_run_bad_client_test("conpfx_18", "PRI * HTTP/2.0\r\n\rX", 18, verifier);
+  grpc_run_bad_client_test("conpfx_19", "PRI * HTTP/2.0\r\n\r\nX", 19,
+                           verifier);
+  grpc_run_bad_client_test("conpfx_20", "PRI * HTTP/2.0\r\n\r\nSX", 20,
+                           verifier);
+  grpc_run_bad_client_test("conpfx_21", "PRI * HTTP/2.0\r\n\r\nSMX", 21,
+                           verifier);
+  grpc_run_bad_client_test("conpfx_22", "PRI * HTTP/2.0\r\n\r\nSM\rX", 22,
+                           verifier);
+  grpc_run_bad_client_test("conpfx_23", "PRI * HTTP/2.0\r\n\r\nSM\r\nX", 23,
+                           verifier);
+  grpc_run_bad_client_test("conpfx_24", "PRI * HTTP/2.0\r\n\r\nSM\r\n\rX", 24,
+                           verifier);
+  return 0;
+}
diff --git a/test/core/channel/channel_stack_test.c b/test/core/channel/channel_stack_test.c
index 957dee1aa7..fe92f2f023 100644
--- a/test/core/channel/channel_stack_test.c
+++ b/test/core/channel/channel_stack_test.c
@@ -39,8 +39,6 @@
 #include <grpc/support/log.h>
 #include "test/core/util/test_config.h"
 
-#define LOG_TEST_NAME() gpr_log(GPR_INFO, "%s", __FUNCTION__)
-
 static void channel_init_func(grpc_channel_element *elem,
                               const grpc_channel_args *args,
                               grpc_mdctx *metadata_context, int is_first,
@@ -91,8 +89,6 @@ static void test_create_channel_stack(void) {
   int *channel_data;
   int *call_data;
 
-  LOG_TEST_NAME();
-
   metadata_context = grpc_mdctx_create();
 
   arg.type = GRPC_ARG_INTEGER;
diff --git a/test/core/end2end/tests/bad_hostname.c b/test/core/end2end/tests/bad_hostname.c
index e145d2e95b..0220f34534 100644
--- a/test/core/end2end/tests/bad_hostname.c
+++ b/test/core/end2end/tests/bad_hostname.c
@@ -158,7 +158,7 @@ static void simple_request_body(grpc_end2end_test_fixture f) {
 static void test_invoke_simple_request(grpc_end2end_test_config config) {
   grpc_end2end_test_fixture f;
 
-  f = begin_test(config, __FUNCTION__, NULL, NULL);
+  f = begin_test(config, "test_invoke_simple_request", NULL, NULL);
   simple_request_body(f);
   end_test(&f);
   config.tear_down_data(&f);
diff --git a/test/core/end2end/tests/cancel_after_accept.c b/test/core/end2end/tests/cancel_after_accept.c
index 275333897f..daf386c326 100644
--- a/test/core/end2end/tests/cancel_after_accept.c
+++ b/test/core/end2end/tests/cancel_after_accept.c
@@ -105,7 +105,7 @@ static void test_cancel_after_accept(grpc_end2end_test_config config,
   grpc_op *op;
   grpc_call *c;
   grpc_call *s;
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
+  grpc_end2end_test_fixture f = begin_test(config, "cancel_after_accept", NULL, NULL);
   gpr_timespec deadline = five_seconds_time();
   cq_verifier *v_client = cq_verifier_create(f.client_cq);
   cq_verifier *v_server = cq_verifier_create(f.server_cq);
diff --git a/test/core/end2end/tests/cancel_after_accept_and_writes_closed.c b/test/core/end2end/tests/cancel_after_accept_and_writes_closed.c
index eaf8b60e98..0bd98997e9 100644
--- a/test/core/end2end/tests/cancel_after_accept_and_writes_closed.c
+++ b/test/core/end2end/tests/cancel_after_accept_and_writes_closed.c
@@ -105,7 +105,7 @@ static void test_cancel_after_accept_and_writes_closed(
   grpc_op *op;
   grpc_call *c;
   grpc_call *s;
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
+  grpc_end2end_test_fixture f = begin_test(config, "test_cancel_after_accept_and_writes_closed", NULL, NULL);
   gpr_timespec deadline = five_seconds_time();
   cq_verifier *v_client = cq_verifier_create(f.client_cq);
   cq_verifier *v_server = cq_verifier_create(f.server_cq);
diff --git a/test/core/end2end/tests/cancel_after_invoke.c b/test/core/end2end/tests/cancel_after_invoke.c
index 618d9e97e3..c5e0ca5517 100644
--- a/test/core/end2end/tests/cancel_after_invoke.c
+++ b/test/core/end2end/tests/cancel_after_invoke.c
@@ -106,7 +106,7 @@ static void test_cancel_after_invoke(grpc_end2end_test_config config,
   grpc_op *op;
   grpc_call *c;
   grpc_end2end_test_fixture f =
-      begin_test(config, __FUNCTION__, mode, NULL, NULL);
+      begin_test(config, "test_cancel_after_invoke", mode, NULL, NULL);
   gpr_timespec deadline = five_seconds_time();
   cq_verifier *v_client = cq_verifier_create(f.client_cq);
   grpc_metadata_array initial_metadata_recv;
diff --git a/test/core/end2end/tests/cancel_before_invoke.c b/test/core/end2end/tests/cancel_before_invoke.c
index 9c9d6aadcc..0482d370dc 100644
--- a/test/core/end2end/tests/cancel_before_invoke.c
+++ b/test/core/end2end/tests/cancel_before_invoke.c
@@ -103,7 +103,7 @@ static void test_cancel_before_invoke(grpc_end2end_test_config config,
   grpc_op ops[6];
   grpc_op *op;
   grpc_call *c;
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
+  grpc_end2end_test_fixture f = begin_test(config, "cancel_before_invoke", NULL, NULL);
   gpr_timespec deadline = five_seconds_time();
   cq_verifier *v_client = cq_verifier_create(f.client_cq);
   grpc_metadata_array initial_metadata_recv;
diff --git a/test/core/end2end/tests/cancel_in_a_vacuum.c b/test/core/end2end/tests/cancel_in_a_vacuum.c
index 1bc393aba7..f0984cb5dc 100644
--- a/test/core/end2end/tests/cancel_in_a_vacuum.c
+++ b/test/core/end2end/tests/cancel_in_a_vacuum.c
@@ -100,7 +100,7 @@ static void end_test(grpc_end2end_test_fixture *f) {
 static void test_cancel_in_a_vacuum(grpc_end2end_test_config config,
                                     cancellation_mode mode) {
   grpc_call *c;
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
+  grpc_end2end_test_fixture f = begin_test(config, "test_cancel_in_a_vacuum", NULL, NULL);
   gpr_timespec deadline = five_seconds_time();
   cq_verifier *v_client = cq_verifier_create(f.client_cq);
 
diff --git a/test/core/end2end/tests/census_simple_request.c b/test/core/end2end/tests/census_simple_request.c
index 2017ab6536..b808684cd1 100644
--- a/test/core/end2end/tests/census_simple_request.c
+++ b/test/core/end2end/tests/census_simple_request.c
@@ -204,7 +204,7 @@ static void test_invoke_request_with_census(
   server_args.num_args = 1;
   server_args.args = &server_arg;
 
-  gpr_asprintf(&fullname, "%s/%s", __FUNCTION__, name);
+  gpr_asprintf(&fullname, "%s/%s", "test_invoke_request_with_census", name);
   f = begin_test(config, fullname, &client_args, &server_args);
   body(f);
   end_test(&f);
diff --git a/test/core/end2end/tests/disappearing_server.c b/test/core/end2end/tests/disappearing_server.c
index 89fff81dba..60e7d227b9 100644
--- a/test/core/end2end/tests/disappearing_server.c
+++ b/test/core/end2end/tests/disappearing_server.c
@@ -180,7 +180,7 @@ static void disappearing_server_test(grpc_end2end_test_config config) {
   cq_verifier *v_client = cq_verifier_create(f.client_cq);
   cq_verifier *v_server = cq_verifier_create(f.server_cq);
 
-  gpr_log(GPR_INFO, "%s/%s", __FUNCTION__, config.name);
+  gpr_log(GPR_INFO, "%s/%s", "disappearing_server_test", config.name);
 
   config.init_client(&f, NULL);
   config.init_server(&f, NULL);
diff --git a/test/core/end2end/tests/early_server_shutdown_finishes_inflight_calls.c b/test/core/end2end/tests/early_server_shutdown_finishes_inflight_calls.c
index 42280a6046..a44823033d 100644
--- a/test/core/end2end/tests/early_server_shutdown_finishes_inflight_calls.c
+++ b/test/core/end2end/tests/early_server_shutdown_finishes_inflight_calls.c
@@ -102,7 +102,7 @@ static void test_early_server_shutdown_finishes_inflight_calls(
   grpc_call *c;
   grpc_call *s;
   gpr_timespec deadline = five_seconds_time();
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
+  grpc_end2end_test_fixture f = begin_test(config, "test_early_server_shutdown_finishes_inflight_calls", NULL, NULL);
   cq_verifier *v_client = cq_verifier_create(f.client_cq);
   cq_verifier *v_server = cq_verifier_create(f.server_cq);
   grpc_op ops[6];
diff --git a/test/core/end2end/tests/early_server_shutdown_finishes_tags.c b/test/core/end2end/tests/early_server_shutdown_finishes_tags.c
index 857fbb3c88..a8eb2144bb 100644
--- a/test/core/end2end/tests/early_server_shutdown_finishes_tags.c
+++ b/test/core/end2end/tests/early_server_shutdown_finishes_tags.c
@@ -99,7 +99,7 @@ static void end_test(grpc_end2end_test_fixture *f) {
 
 static void test_early_server_shutdown_finishes_tags(
     grpc_end2end_test_config config) {
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
+  grpc_end2end_test_fixture f = begin_test(config, "test_early_server_shutdown_finishes_tags", NULL, NULL);
   cq_verifier *v_server = cq_verifier_create(f.server_cq);
   grpc_call *s = (void *)1;
   grpc_call_details call_details;
diff --git a/test/core/end2end/tests/empty_batch.c b/test/core/end2end/tests/empty_batch.c
index a57f921efb..d1e5527e9e 100644
--- a/test/core/end2end/tests/empty_batch.c
+++ b/test/core/end2end/tests/empty_batch.c
@@ -121,7 +121,7 @@ static void empty_batch_body(grpc_end2end_test_fixture f) {
 static void test_invoke_empty_body(grpc_end2end_test_config config) {
   grpc_end2end_test_fixture f;
 
-  f = begin_test(config, __FUNCTION__, NULL, NULL);
+  f = begin_test(config, "test_invoke_empty_body", NULL, NULL);
   empty_batch_body(f);
   end_test(&f);
   config.tear_down_data(&f);
diff --git a/test/core/end2end/tests/graceful_server_shutdown.c b/test/core/end2end/tests/graceful_server_shutdown.c
index 9c44f6e127..d7b9fde3a6 100644
--- a/test/core/end2end/tests/graceful_server_shutdown.c
+++ b/test/core/end2end/tests/graceful_server_shutdown.c
@@ -101,7 +101,7 @@ static void test_early_server_shutdown_finishes_inflight_calls(
   grpc_call *c;
   grpc_call *s;
   gpr_timespec deadline = five_seconds_time();
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
+  grpc_end2end_test_fixture f = begin_test(config, "test_early_server_shutdown_finishes_inflight_calls", NULL, NULL);
   cq_verifier *v_client = cq_verifier_create(f.client_cq);
   cq_verifier *v_server = cq_verifier_create(f.server_cq);
   grpc_op ops[6];
diff --git a/test/core/end2end/tests/invoke_large_request.c b/test/core/end2end/tests/invoke_large_request.c
index a5d8faad3a..5552016efa 100644
--- a/test/core/end2end/tests/invoke_large_request.c
+++ b/test/core/end2end/tests/invoke_large_request.c
@@ -102,7 +102,7 @@ static gpr_slice large_slice(void) {
 }
 
 static void test_invoke_large_request(grpc_end2end_test_config config) {
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
+  grpc_end2end_test_fixture f = begin_test(config, "test_invoke_large_request", NULL, NULL);
 
   gpr_slice request_payload_slice = large_slice();
   gpr_slice response_payload_slice = large_slice();
diff --git a/test/core/end2end/tests/max_concurrent_streams.c b/test/core/end2end/tests/max_concurrent_streams.c
index 59227d98ab..ef0af34c0d 100644
--- a/test/core/end2end/tests/max_concurrent_streams.c
+++ b/test/core/end2end/tests/max_concurrent_streams.c
@@ -222,7 +222,7 @@ static void test_max_concurrent_streams(grpc_end2end_test_config config) {
   server_args.num_args = 1;
   server_args.args = &server_arg;
 
-  f = begin_test(config, __FUNCTION__, NULL, &server_args);
+  f = begin_test(config, "test_max_concurrent_streams", NULL, &server_args);
   v_client = cq_verifier_create(f.client_cq);
   v_server = cq_verifier_create(f.server_cq);
 
diff --git a/test/core/end2end/tests/max_message_length.c b/test/core/end2end/tests/max_message_length.c
index 78502e4bb9..532986e7d0 100644
--- a/test/core/end2end/tests/max_message_length.c
+++ b/test/core/end2end/tests/max_message_length.c
@@ -126,7 +126,7 @@ static void test_max_message_length(grpc_end2end_test_config config) {
   server_args.num_args = 1;
   server_args.args = &server_arg;
 
-  f = begin_test(config, __FUNCTION__, NULL, &server_args);
+  f = begin_test(config, "test_max_message_length", NULL, &server_args);
   v_client = cq_verifier_create(f.client_cq);
   v_server = cq_verifier_create(f.server_cq);
 
diff --git a/test/core/end2end/tests/no_op.c b/test/core/end2end/tests/no_op.c
index 000d2ffa2a..5b18efcbfd 100644
--- a/test/core/end2end/tests/no_op.c
+++ b/test/core/end2end/tests/no_op.c
@@ -96,7 +96,7 @@ static void end_test(grpc_end2end_test_fixture *f) {
 }
 
 static void test_no_op(grpc_end2end_test_config config) {
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
+  grpc_end2end_test_fixture f = begin_test(config, "no-op", NULL, NULL);
   end_test(&f);
   config.tear_down_data(&f);
 }
diff --git a/test/core/end2end/tests/ping_pong_streaming.c b/test/core/end2end/tests/ping_pong_streaming.c
index 2bd17924f3..cfd4e45703 100644
--- a/test/core/end2end/tests/ping_pong_streaming.c
+++ b/test/core/end2end/tests/ping_pong_streaming.c
@@ -100,7 +100,7 @@ static void end_test(grpc_end2end_test_fixture *f) {
 /* Client pings and server pongs. Repeat messages rounds before finishing. */
 static void test_pingpong_streaming(grpc_end2end_test_config config,
                                     int messages) {
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
+  grpc_end2end_test_fixture f = begin_test(config, "test_pingpong_streaming", NULL, NULL);
   grpc_call *c;
   grpc_call *s;
   gpr_timespec deadline = five_seconds_time();
diff --git a/test/core/end2end/tests/registered_call.c b/test/core/end2end/tests/registered_call.c
index 54663c3690..2cf2ccec1a 100644
--- a/test/core/end2end/tests/registered_call.c
+++ b/test/core/end2end/tests/registered_call.c
@@ -188,7 +188,7 @@ static void simple_request_body(grpc_end2end_test_fixture f, void *rc) {
 }
 
 static void test_invoke_simple_request(grpc_end2end_test_config config) {
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
+  grpc_end2end_test_fixture f = begin_test(config, "test_invoke_simple_request", NULL, NULL);
   void *rc =
       grpc_channel_register_call(f.client, "/foo", "foo.test.google.fr:1234");
 
@@ -199,7 +199,7 @@ static void test_invoke_simple_request(grpc_end2end_test_config config) {
 
 static void test_invoke_10_simple_requests(grpc_end2end_test_config config) {
   int i;
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
+  grpc_end2end_test_fixture f = begin_test(config, "test_invoke_10_simple_requests", NULL, NULL);
   void *rc =
       grpc_channel_register_call(f.client, "/foo", "foo.test.google.fr:1234");
 
diff --git a/test/core/end2end/tests/request_response_with_binary_metadata_and_payload.c b/test/core/end2end/tests/request_response_with_binary_metadata_and_payload.c
index 868b5f078b..69eb68a2a1 100644
--- a/test/core/end2end/tests/request_response_with_binary_metadata_and_payload.c
+++ b/test/core/end2end/tests/request_response_with_binary_metadata_and_payload.c
@@ -127,7 +127,7 @@ static void test_request_response_with_metadata_and_payload(
        "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff",
        16,
        {{NULL, NULL, NULL}}}};
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
+  grpc_end2end_test_fixture f = begin_test(config, "test_request_response_with_metadata_and_payload", NULL, NULL);
   cq_verifier *v_client = cq_verifier_create(f.client_cq);
   cq_verifier *v_server = cq_verifier_create(f.server_cq);
   grpc_op ops[6];
diff --git a/test/core/end2end/tests/request_response_with_metadata_and_payload.c b/test/core/end2end/tests/request_response_with_metadata_and_payload.c
index 9c5d290219..fe15fa257d 100644
--- a/test/core/end2end/tests/request_response_with_metadata_and_payload.c
+++ b/test/core/end2end/tests/request_response_with_metadata_and_payload.c
@@ -113,7 +113,7 @@ static void test_request_response_with_metadata_and_payload(
                              {"key2", "val2", 4, {{NULL, NULL, NULL}}}};
   grpc_metadata meta_s[2] = {{"key3", "val3", 4, {{NULL, NULL, NULL}}},
                              {"key4", "val4", 4, {{NULL, NULL, NULL}}}};
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
+  grpc_end2end_test_fixture f = begin_test(config, "test_request_response_with_metadata_and_payload", NULL, NULL);
   cq_verifier *v_client = cq_verifier_create(f.client_cq);
   cq_verifier *v_server = cq_verifier_create(f.server_cq);
   grpc_op ops[6];
diff --git a/test/core/end2end/tests/request_response_with_payload.c b/test/core/end2end/tests/request_response_with_payload.c
index 7db202754e..f0122ea95d 100644
--- a/test/core/end2end/tests/request_response_with_payload.c
+++ b/test/core/end2end/tests/request_response_with_payload.c
@@ -223,7 +223,7 @@ static void request_response_with_payload(grpc_end2end_test_fixture f) {
    payload and status. */
 static void test_invoke_request_response_with_payload(
     grpc_end2end_test_config config) {
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
+  grpc_end2end_test_fixture f = begin_test(config, "test_invoke_request_response_with_payload", NULL, NULL);
   request_response_with_payload(f);
   end_test(&f);
   config.tear_down_data(&f);
@@ -232,7 +232,7 @@ static void test_invoke_request_response_with_payload(
 static void test_invoke_10_request_response_with_payload(
     grpc_end2end_test_config config) {
   int i;
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
+  grpc_end2end_test_fixture f = begin_test(config, "test_invoke_10_request_response_with_payload", NULL, NULL);
   for (i = 0; i < 10; i++) {
     request_response_with_payload(f);
   }
diff --git a/test/core/end2end/tests/request_response_with_payload_and_call_creds.c b/test/core/end2end/tests/request_response_with_payload_and_call_creds.c
index 437345960a..df1e9d7671 100644
--- a/test/core/end2end/tests/request_response_with_payload_and_call_creds.c
+++ b/test/core/end2end/tests/request_response_with_payload_and_call_creds.c
@@ -114,7 +114,7 @@ static void end_test(grpc_end2end_test_fixture *f) {
 static void test_call_creds_failure(grpc_end2end_test_config config) {
   grpc_call *c;
   grpc_credentials *creds = NULL;
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
+  grpc_end2end_test_fixture f = begin_test(config, "test_call_creds_failure", NULL, NULL);
   gpr_timespec deadline = five_seconds_time();
   c = grpc_channel_create_call(f.client, f.client_cq, "/foo",
                                "foo.test.google.fr", deadline);
@@ -318,17 +318,17 @@ static void request_response_with_payload_and_call_creds(
 
 void test_request_response_with_payload_and_call_creds(
     grpc_end2end_test_config config) {
-  request_response_with_payload_and_call_creds(__FUNCTION__, config, NONE);
+  request_response_with_payload_and_call_creds("test_request_response_with_payload_and_call_creds", config, NONE);
 }
 
 void test_request_response_with_payload_and_overridden_call_creds(
     grpc_end2end_test_config config) {
-  request_response_with_payload_and_call_creds(__FUNCTION__, config, OVERRIDE);
+  request_response_with_payload_and_call_creds("test_request_response_with_payload_and_overridden_call_creds", config, OVERRIDE);
 }
 
 void test_request_response_with_payload_and_deleted_call_creds(
     grpc_end2end_test_config config) {
-  request_response_with_payload_and_call_creds(__FUNCTION__, config, DESTROY);
+  request_response_with_payload_and_call_creds("test_request_response_with_payload_and_deleted_call_creds", config, DESTROY);
 }
 
 void grpc_end2end_tests(grpc_end2end_test_config config) {
diff --git a/test/core/end2end/tests/request_response_with_trailing_metadata_and_payload.c b/test/core/end2end/tests/request_response_with_trailing_metadata_and_payload.c
index 2f7b53ccf3..2f221f43d5 100644
--- a/test/core/end2end/tests/request_response_with_trailing_metadata_and_payload.c
+++ b/test/core/end2end/tests/request_response_with_trailing_metadata_and_payload.c
@@ -112,7 +112,7 @@ static void test_request_response_with_metadata_and_payload(
   grpc_metadata meta_c[2] = {{"key1", "val1", 4, {{NULL, NULL, NULL}}}, {"key2", "val2", 4, {{NULL, NULL, NULL}}}};
   grpc_metadata meta_s[2] = {{"key3", "val3", 4, {{NULL, NULL, NULL}}}, {"key4", "val4", 4, {{NULL, NULL, NULL}}}};
   grpc_metadata meta_t[2] = {{"key5", "val5", 4, {{NULL, NULL, NULL}}}, {"key6", "val6", 4, {{NULL, NULL, NULL}}}};
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
+  grpc_end2end_test_fixture f = begin_test(config, "test_request_response_with_metadata_and_payload", NULL, NULL);
   cq_verifier *v_client = cq_verifier_create(f.client_cq);
   cq_verifier *v_server = cq_verifier_create(f.server_cq);
   grpc_op ops[6];
diff --git a/test/core/end2end/tests/request_with_large_metadata.c b/test/core/end2end/tests/request_with_large_metadata.c
index 81a1572501..b89ccb76f0 100644
--- a/test/core/end2end/tests/request_with_large_metadata.c
+++ b/test/core/end2end/tests/request_with_large_metadata.c
@@ -106,7 +106,7 @@ static void test_request_with_large_metadata(grpc_end2end_test_config config) {
       grpc_byte_buffer_create(&request_payload_slice, 1);
   gpr_timespec deadline = five_seconds_time();
   grpc_metadata meta;
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
+  grpc_end2end_test_fixture f = begin_test(config, "test_request_with_large_metadata", NULL, NULL);
   cq_verifier *v_client = cq_verifier_create(f.client_cq);
   cq_verifier *v_server = cq_verifier_create(f.server_cq);
   grpc_op ops[6];
diff --git a/test/core/end2end/tests/request_with_payload.c b/test/core/end2end/tests/request_with_payload.c
index 0d527b4de5..9f6f2a9b22 100644
--- a/test/core/end2end/tests/request_with_payload.c
+++ b/test/core/end2end/tests/request_with_payload.c
@@ -105,7 +105,7 @@ static void test_invoke_request_with_payload(grpc_end2end_test_config config) {
   grpc_byte_buffer *request_payload =
       grpc_byte_buffer_create(&request_payload_slice, 1);
   gpr_timespec deadline = five_seconds_time();
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
+  grpc_end2end_test_fixture f = begin_test(config, "test_invoke_request_with_payload", NULL, NULL);
   cq_verifier *v_client = cq_verifier_create(f.client_cq);
   cq_verifier *v_server = cq_verifier_create(f.server_cq);
   grpc_op ops[6];
diff --git a/test/core/end2end/tests/server_finishes_request.c b/test/core/end2end/tests/server_finishes_request.c
index c19871c581..a0c1865290 100644
--- a/test/core/end2end/tests/server_finishes_request.c
+++ b/test/core/end2end/tests/server_finishes_request.c
@@ -189,7 +189,7 @@ static void simple_request_body(grpc_end2end_test_fixture f) {
 static void test_invoke_simple_request(grpc_end2end_test_config config) {
   grpc_end2end_test_fixture f;
 
-  f = begin_test(config, __FUNCTION__, NULL, NULL);
+  f = begin_test(config, "test_invoke_simple_request", NULL, NULL);
   simple_request_body(f);
   end_test(&f);
   config.tear_down_data(&f);
diff --git a/test/core/end2end/tests/simple_delayed_request.c b/test/core/end2end/tests/simple_delayed_request.c
index d8463d4c6c..59cc9b5488 100644
--- a/test/core/end2end/tests/simple_delayed_request.c
+++ b/test/core/end2end/tests/simple_delayed_request.c
@@ -185,7 +185,7 @@ static void simple_delayed_request_body(grpc_end2end_test_config config,
 static void test_simple_delayed_request_short(grpc_end2end_test_config config) {
   grpc_end2end_test_fixture f;
 
-  gpr_log(GPR_INFO, "%s/%s", __FUNCTION__, config.name);
+  gpr_log(GPR_INFO, "%s/%s", "test_simple_delayed_request_short", config.name);
   f = config.create_fixture(NULL, NULL);
   simple_delayed_request_body(config, &f, NULL, NULL, 100000);
   end_test(&f);
@@ -195,7 +195,7 @@ static void test_simple_delayed_request_short(grpc_end2end_test_config config) {
 static void test_simple_delayed_request_long(grpc_end2end_test_config config) {
   grpc_end2end_test_fixture f;
 
-  gpr_log(GPR_INFO, "%s/%s", __FUNCTION__, config.name);
+  gpr_log(GPR_INFO, "%s/%s", "test_simple_delayed_request_long", config.name);
   f = config.create_fixture(NULL, NULL);
   /* This timeout should be longer than a single retry */
   simple_delayed_request_body(config, &f, NULL, NULL, 1500000);
diff --git a/test/core/end2end/tests/simple_request.c b/test/core/end2end/tests/simple_request.c
index 98e677900e..80c092cd35 100644
--- a/test/core/end2end/tests/simple_request.c
+++ b/test/core/end2end/tests/simple_request.c
@@ -191,7 +191,7 @@ static void simple_request_body(grpc_end2end_test_fixture f) {
 static void test_invoke_simple_request(grpc_end2end_test_config config) {
   grpc_end2end_test_fixture f;
 
-  f = begin_test(config, __FUNCTION__, NULL, NULL);
+  f = begin_test(config, "test_invoke_simple_request", NULL, NULL);
   simple_request_body(f);
   end_test(&f);
   config.tear_down_data(&f);
@@ -199,7 +199,7 @@ static void test_invoke_simple_request(grpc_end2end_test_config config) {
 
 static void test_invoke_10_simple_requests(grpc_end2end_test_config config) {
   int i;
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
+  grpc_end2end_test_fixture f = begin_test(config, "test_invoke_10_simple_requests", NULL, NULL);
   for (i = 0; i < 10; i++) {
     simple_request_body(f);
     gpr_log(GPR_INFO, "Passed simple request %d", i);
diff --git a/test/core/end2end/tests/simple_request_with_high_initial_sequence_number.c b/test/core/end2end/tests/simple_request_with_high_initial_sequence_number.c
index 3c1a19a5dd..67e0730f5e 100644
--- a/test/core/end2end/tests/simple_request_with_high_initial_sequence_number.c
+++ b/test/core/end2end/tests/simple_request_with_high_initial_sequence_number.c
@@ -201,7 +201,7 @@ static void test_invoke_10_simple_requests(grpc_end2end_test_config config, int
   client_args.num_args = 1;
   client_args.args = &client_arg;
 
-  f = begin_test(config, __FUNCTION__, &client_args, NULL);
+  f = begin_test(config, "test_invoke_10_simple_requests", &client_args, NULL);
   for (i = 0; i < 10; i++) {
     simple_request_body(f);
     gpr_log(GPR_INFO, "Passed simple request %d", i);
diff --git a/test/core/fling/fling_test.c b/test/core/fling/fling_test.c
index 7c1643df6a..6b07f83d5b 100644
--- a/test/core/fling/fling_test.c
+++ b/test/core/fling/fling_test.c
@@ -60,7 +60,7 @@ int main(int argc, char **argv) {
   args[1] = "--bind";
   gpr_join_host_port(&args[2], "::", port);
   args[3] = "--no-secure";
-  svr = gpr_subprocess_create(4, args);
+  svr = gpr_subprocess_create(4, (const char**)args);
   gpr_free(args[0]);
   gpr_free(args[2]);
 
@@ -71,7 +71,7 @@ int main(int argc, char **argv) {
   args[3] = "--scenario=ping-pong-request";
   args[4] = "--no-secure";
   args[5] = 0;
-  cli = gpr_subprocess_create(6, args);
+  cli = gpr_subprocess_create(6, (const char**)args);
   gpr_free(args[0]);
   gpr_free(args[2]);
 
diff --git a/test/core/httpcli/httpcli_test.c b/test/core/httpcli/httpcli_test.c
index 17a2996baa..fb2dbc00ce 100644
--- a/test/core/httpcli/httpcli_test.c
+++ b/test/core/httpcli/httpcli_test.c
@@ -56,7 +56,7 @@ static void on_finish(void *arg, const grpc_httpcli_response *response) {
 static void test_get(int use_ssl) {
   grpc_httpcli_request req;
 
-  gpr_log(GPR_INFO, "running %s with use_ssl=%d.", __FUNCTION__, use_ssl);
+  gpr_log(GPR_INFO, "running %s with use_ssl=%d.", "test_get", use_ssl);
 
   gpr_event_init(&g_done);
   memset(&req, 0, sizeof(req));
@@ -72,7 +72,7 @@ static void test_get(int use_ssl) {
 static void test_post(int use_ssl) {
   grpc_httpcli_request req;
 
-  gpr_log(GPR_INFO, "running %s with use_ssl=%d.", __FUNCTION__, (int)use_ssl);
+  gpr_log(GPR_INFO, "running %s with use_ssl=%d.", "test_post", (int)use_ssl);
 
   gpr_event_init(&g_done);
   memset(&req, 0, sizeof(req));
diff --git a/test/core/iomgr/endpoint_tests.c b/test/core/iomgr/endpoint_tests.c
index e63048e26c..f9c5282f19 100644
--- a/test/core/iomgr/endpoint_tests.c
+++ b/test/core/iomgr/endpoint_tests.c
@@ -160,7 +160,7 @@ static void read_and_write_test_write_handler(void *data,
 
   GPR_ASSERT(error != GRPC_ENDPOINT_CB_ERROR);
 
-  gpr_log(GPR_DEBUG, "%s: error=%d", __FUNCTION__, error);
+  gpr_log(GPR_DEBUG, "%s: error=%d", "read_and_write_test_write_handler", error);
 
   if (error == GRPC_ENDPOINT_CB_SHUTDOWN) {
     gpr_log(GPR_INFO, "Write handler shutdown");
@@ -213,7 +213,7 @@ static void read_and_write_test(grpc_endpoint_test_config config,
                                 size_t slice_size, int shutdown) {
   struct read_and_write_test_state state;
   gpr_timespec deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(20);
-  grpc_endpoint_test_fixture f = begin_test(config, __FUNCTION__, slice_size);
+  grpc_endpoint_test_fixture f = begin_test(config, "read_and_write_test", slice_size);
 
   if (shutdown) {
     gpr_log(GPR_INFO, "Start read and write shutdown test");
@@ -323,7 +323,7 @@ static void shutdown_during_write_test(grpc_endpoint_test_config config,
   shutdown_during_write_test_state read_st;
   shutdown_during_write_test_state write_st;
   gpr_slice *slices;
-  grpc_endpoint_test_fixture f = begin_test(config, __FUNCTION__, slice_size);
+  grpc_endpoint_test_fixture f = begin_test(config, "shutdown_during_write_test", slice_size);
 
   gpr_log(GPR_INFO, "testing shutdown during a write");
 
diff --git a/test/core/iomgr/sockaddr_utils_test.c b/test/core/iomgr/sockaddr_utils_test.c
index 9212f01c3f..dfab340959 100644
--- a/test/core/iomgr/sockaddr_utils_test.c
+++ b/test/core/iomgr/sockaddr_utils_test.c
@@ -75,7 +75,7 @@ static void test_sockaddr_is_v4mapped(void) {
   struct sockaddr_in output4;
   struct sockaddr_in expect4;
 
-  gpr_log(GPR_INFO, "%s", __FUNCTION__);
+  gpr_log(GPR_INFO, "%s", "test_sockaddr_is_v4mapped");
 
   /* v4mapped input should succeed. */
   input6 = make_addr6(kMapped, sizeof(kMapped));
@@ -106,7 +106,7 @@ static void test_sockaddr_to_v4mapped(void) {
   struct sockaddr_in6 output6;
   struct sockaddr_in6 expect6;
 
-  gpr_log(GPR_INFO, "%s", __FUNCTION__);
+  gpr_log(GPR_INFO, "%s", "test_sockaddr_to_v4mapped");
 
   /* IPv4 input should succeed. */
   input4 = make_addr4(kIPv4, sizeof(kIPv4));
@@ -135,7 +135,7 @@ static void test_sockaddr_is_wildcard(void) {
   struct sockaddr dummy;
   int port;
 
-  gpr_log(GPR_INFO, "%s", __FUNCTION__);
+  gpr_log(GPR_INFO, "%s", "test_sockaddr_is_wildcard");
 
   /* Generate wildcards. */
   grpc_sockaddr_make_wildcards(555, &wild4, &wild6);
@@ -192,7 +192,7 @@ static void test_sockaddr_to_string(void) {
   struct sockaddr_in6 input6;
   struct sockaddr dummy;
 
-  gpr_log(GPR_INFO, "%s", __FUNCTION__);
+  gpr_log(GPR_INFO, "%s", "test_sockaddr_to_string");
 
   errno = 0x7EADBEEF;
 
diff --git a/test/core/iomgr/tcp_server_posix_test.c b/test/core/iomgr/tcp_server_posix_test.c
index 1c02c4b2f8..328b19f68a 100644
--- a/test/core/iomgr/tcp_server_posix_test.c
+++ b/test/core/iomgr/tcp_server_posix_test.c
@@ -43,7 +43,7 @@
 #include <string.h>
 #include <unistd.h>
 
-#define LOG_TEST() gpr_log(GPR_INFO, "%s", __FUNCTION__)
+#define LOG_TEST(x) gpr_log(GPR_INFO, "%s", #x)
 
 static gpr_mu mu;
 static gpr_cv cv;
@@ -66,7 +66,7 @@ static void test_no_op(void) {
 
 static void test_no_op_with_start(void) {
   grpc_tcp_server *s = grpc_tcp_server_create();
-  LOG_TEST();
+  LOG_TEST("test_no_op_with_start");
   grpc_tcp_server_start(s, NULL, 0, on_connect, NULL);
   grpc_tcp_server_destroy(s, NULL, NULL);
 }
@@ -74,7 +74,7 @@ static void test_no_op_with_start(void) {
 static void test_no_op_with_port(void) {
   struct sockaddr_in addr;
   grpc_tcp_server *s = grpc_tcp_server_create();
-  LOG_TEST();
+  LOG_TEST("test_no_op_with_port");
 
   memset(&addr, 0, sizeof(addr));
   addr.sin_family = AF_INET;
@@ -87,7 +87,7 @@ static void test_no_op_with_port(void) {
 static void test_no_op_with_port_and_start(void) {
   struct sockaddr_in addr;
   grpc_tcp_server *s = grpc_tcp_server_create();
-  LOG_TEST();
+  LOG_TEST("test_no_op_with_port_and_start");
 
   memset(&addr, 0, sizeof(addr));
   addr.sin_family = AF_INET;
@@ -107,7 +107,7 @@ static void test_connect(int n) {
   int nconnects_before;
   gpr_timespec deadline;
   int i;
-  LOG_TEST();
+  LOG_TEST("test_connect");
   gpr_log(GPR_INFO, "clients=%d", n);
 
   gpr_mu_lock(&mu);
diff --git a/test/core/support/cmdline_test.c b/test/core/support/cmdline_test.c
index 52c311f75c..a7767ace5e 100644
--- a/test/core/support/cmdline_test.c
+++ b/test/core/support/cmdline_test.c
@@ -39,12 +39,12 @@
 #include <grpc/support/useful.h>
 #include "test/core/util/test_config.h"
 
-#define LOG_TEST() gpr_log(GPR_INFO, "%s", __FUNCTION__)
+#define LOG_TEST() gpr_log(GPR_INFO, "%s", __FILE__)
 
 static void test_simple_int(void) {
   int x = 1;
   gpr_cmdline *cl;
-  char *args[] = {(char *)__FUNCTION__, "-foo", "3"};
+  char *args[] = {(char *)__FILE__, "-foo", "3"};
 
   LOG_TEST();
 
@@ -59,7 +59,7 @@ static void test_simple_int(void) {
 static void test_eq_int(void) {
   int x = 1;
   gpr_cmdline *cl;
-  char *args[] = {(char *)__FUNCTION__, "-foo=3"};
+  char *args[] = {(char *)__FILE__, "-foo=3"};
 
   LOG_TEST();
 
@@ -74,7 +74,7 @@ static void test_eq_int(void) {
 static void test_2dash_int(void) {
   int x = 1;
   gpr_cmdline *cl;
-  char *args[] = {(char *)__FUNCTION__, "--foo", "3"};
+  char *args[] = {(char *)__FILE__, "--foo", "3"};
 
   LOG_TEST();
 
@@ -89,7 +89,7 @@ static void test_2dash_int(void) {
 static void test_2dash_eq_int(void) {
   int x = 1;
   gpr_cmdline *cl;
-  char *args[] = {(char *)__FUNCTION__, "--foo=3"};
+  char *args[] = {(char *)__FILE__, "--foo=3"};
 
   LOG_TEST();
 
@@ -104,7 +104,7 @@ static void test_2dash_eq_int(void) {
 static void test_simple_string(void) {
   char *x = NULL;
   gpr_cmdline *cl;
-  char *args[] = {(char *)__FUNCTION__, "-foo", "3"};
+  char *args[] = {(char *)__FILE__, "-foo", "3"};
 
   LOG_TEST();
 
@@ -119,7 +119,7 @@ static void test_simple_string(void) {
 static void test_eq_string(void) {
   char *x = NULL;
   gpr_cmdline *cl;
-  char *args[] = {(char *)__FUNCTION__, "-foo=3"};
+  char *args[] = {(char *)__FILE__, "-foo=3"};
 
   LOG_TEST();
 
@@ -134,7 +134,7 @@ static void test_eq_string(void) {
 static void test_2dash_string(void) {
   char *x = NULL;
   gpr_cmdline *cl;
-  char *args[] = {(char *)__FUNCTION__, "--foo", "3"};
+  char *args[] = {(char *)__FILE__, "--foo", "3"};
 
   LOG_TEST();
 
@@ -149,7 +149,7 @@ static void test_2dash_string(void) {
 static void test_2dash_eq_string(void) {
   char *x = NULL;
   gpr_cmdline *cl;
-  char *args[] = {(char *)__FUNCTION__, "--foo=3"};
+  char *args[] = {(char *)__FILE__, "--foo=3"};
 
   LOG_TEST();
 
@@ -164,7 +164,7 @@ static void test_2dash_eq_string(void) {
 static void test_flag_on(void) {
   int x = 2;
   gpr_cmdline *cl;
-  char *args[] = {(char *)__FUNCTION__, "--foo"};
+  char *args[] = {(char *)__FILE__, "--foo"};
 
   LOG_TEST();
 
@@ -179,7 +179,7 @@ static void test_flag_on(void) {
 static void test_flag_no(void) {
   int x = 2;
   gpr_cmdline *cl;
-  char *args[] = {(char *)__FUNCTION__, "--no-foo"};
+  char *args[] = {(char *)__FILE__, "--no-foo"};
 
   LOG_TEST();
 
@@ -194,7 +194,7 @@ static void test_flag_no(void) {
 static void test_flag_val_1(void) {
   int x = 2;
   gpr_cmdline *cl;
-  char *args[] = {(char *)__FUNCTION__, "--foo=1"};
+  char *args[] = {(char *)__FILE__, "--foo=1"};
 
   LOG_TEST();
 
@@ -209,7 +209,7 @@ static void test_flag_val_1(void) {
 static void test_flag_val_0(void) {
   int x = 2;
   gpr_cmdline *cl;
-  char *args[] = {(char *)__FUNCTION__, "--foo=0"};
+  char *args[] = {(char *)__FILE__, "--foo=0"};
 
   LOG_TEST();
 
@@ -224,7 +224,7 @@ static void test_flag_val_0(void) {
 static void test_flag_val_true(void) {
   int x = 2;
   gpr_cmdline *cl;
-  char *args[] = {(char *)__FUNCTION__, "--foo=true"};
+  char *args[] = {(char *)__FILE__, "--foo=true"};
 
   LOG_TEST();
 
@@ -239,7 +239,7 @@ static void test_flag_val_true(void) {
 static void test_flag_val_false(void) {
   int x = 2;
   gpr_cmdline *cl;
-  char *args[] = {(char *)__FUNCTION__, "--foo=false"};
+  char *args[] = {(char *)__FILE__, "--foo=false"};
 
   LOG_TEST();
 
@@ -257,7 +257,7 @@ static void test_many(void) {
   int flag = 2;
   gpr_cmdline *cl;
 
-  char *args[] = {(char *)__FUNCTION__, "--str", "hello", "-x=4", "-no-flag"};
+  char *args[] = {(char *)__FILE__, "--str", "hello", "-x=4", "-no-flag"};
 
   LOG_TEST();
 
diff --git a/test/core/support/env_test.c b/test/core/support/env_test.c
index aedf9313f3..69aebcc918 100644
--- a/test/core/support/env_test.c
+++ b/test/core/support/env_test.c
@@ -41,14 +41,14 @@
 #include "src/core/support/string.h"
 #include "test/core/util/test_config.h"
 
-#define LOG_TEST_NAME() gpr_log(GPR_INFO, "%s", __FUNCTION__)
+#define LOG_TEST_NAME(x) gpr_log(GPR_INFO, "%s", x)
 
 static void test_setenv_getenv(void) {
   const char *name = "FOO";
   const char *value = "BAR";
   char *retrieved_value;
 
-  LOG_TEST_NAME();
+  LOG_TEST_NAME("test_setenv_getenv");
 
   gpr_setenv(name, value);
   retrieved_value = gpr_getenv(name);
diff --git a/test/core/support/file_test.c b/test/core/support/file_test.c
index 56e7a4948e..330b2173ef 100644
--- a/test/core/support/file_test.c
+++ b/test/core/support/file_test.c
@@ -42,7 +42,7 @@
 #include "src/core/support/string.h"
 #include "test/core/util/test_config.h"
 
-#define LOG_TEST_NAME() gpr_log(GPR_INFO, "%s", __FUNCTION__)
+#define LOG_TEST_NAME(x) gpr_log(GPR_INFO, "%s", x)
 
 static const char prefix[] = "file_test";
 
@@ -53,7 +53,7 @@ static void test_load_empty_file(void) {
   int success;
   char *tmp_name;
 
-  LOG_TEST_NAME();
+  LOG_TEST_NAME("test_load_empty_file");
 
   tmp = gpr_tmpfile(prefix, &tmp_name);
   GPR_ASSERT(tmp_name != NULL);
@@ -81,7 +81,7 @@ static void test_load_failure(void) {
   int success;
   char *tmp_name;
 
-  LOG_TEST_NAME();
+  LOG_TEST_NAME("test_load_failure");
 
   tmp = gpr_tmpfile(prefix, &tmp_name);
   GPR_ASSERT(tmp_name != NULL);
@@ -104,7 +104,7 @@ static void test_load_small_file(void) {
   char *tmp_name;
   const char *blah = "blah";
 
-  LOG_TEST_NAME();
+  LOG_TEST_NAME("test_load_small_file");
 
   tmp = gpr_tmpfile(prefix, &tmp_name);
   GPR_ASSERT(tmp_name != NULL);
@@ -138,7 +138,7 @@ static void test_load_big_file(void) {
   unsigned char *current;
   size_t i;
 
-  LOG_TEST_NAME();
+  LOG_TEST_NAME("test_load_big_file");
 
   for (i = 0; i < sizeof(buffer); i++) {
     buffer[i] = 42;
diff --git a/test/core/support/histogram_test.c b/test/core/support/histogram_test.c
index 3994430874..be935ede09 100644
--- a/test/core/support/histogram_test.c
+++ b/test/core/support/histogram_test.c
@@ -34,7 +34,7 @@
 #include <grpc/support/histogram.h>
 #include <grpc/support/log.h>
 
-#define LOG_TEST() gpr_log(GPR_INFO, "%s", __FUNCTION__);
+#define LOG_TEST(x) gpr_log(GPR_INFO, "%s", x);
 
 static void test_no_op(void) {
   gpr_histogram_destroy(gpr_histogram_create(0.01, 60e9));
@@ -52,7 +52,7 @@ static void expect_percentile(gpr_histogram *h, double percentile,
 static void test_simple(void) {
   gpr_histogram *h;
 
-  LOG_TEST();
+  LOG_TEST("test_simple");
 
   h = gpr_histogram_create(0.01, 60e9);
   gpr_histogram_add(h, 10000);
@@ -72,7 +72,7 @@ static void test_percentile(void) {
   double i;
   double cur;
 
-  LOG_TEST();
+  LOG_TEST("test_percentile");
 
   h = gpr_histogram_create(0.05, 1e9);
   gpr_histogram_add(h, 2.5);
@@ -117,7 +117,7 @@ static void test_merge(void) {
   double i;
   double cur;
 
-  LOG_TEST();
+  LOG_TEST("test_merge");
 
   h1 = gpr_histogram_create(0.05, 1e9);
   gpr_histogram_add(h1, 2.5);
diff --git a/test/core/support/slice_test.c b/test/core/support/slice_test.c
index 4ab3d6f45b..63dedea50f 100644
--- a/test/core/support/slice_test.c
+++ b/test/core/support/slice_test.c
@@ -38,7 +38,7 @@
 #include <grpc/support/log.h>
 #include "test/core/util/test_config.h"
 
-#define LOG_TEST_NAME() gpr_log(GPR_INFO, "%s", __FUNCTION__);
+#define LOG_TEST_NAME(x) gpr_log(GPR_INFO, "%s", x);
 
 static void test_slice_malloc_returns_something_sensible(void) {
   /* Calls gpr_slice_create for various lengths and verifies the internals for
@@ -47,7 +47,7 @@ static void test_slice_malloc_returns_something_sensible(void) {
   size_t i;
   gpr_slice slice;
 
-  LOG_TEST_NAME();
+  LOG_TEST_NAME("test_slice_malloc_returns_something_sensible");
 
   for (length = 0; length <= 1024; length++) {
     slice = gpr_slice_malloc(length);
@@ -108,7 +108,7 @@ static void test_slice_sub_works(unsigned length) {
   gpr_slice sub;
   unsigned i, j, k;
 
-  LOG_TEST_NAME();
+  LOG_TEST_NAME("test_slice_sub_works");
   gpr_log(GPR_INFO, "length=%d", length);
 
   /* Create a slice in which each byte is equal to the distance from it to the
@@ -147,7 +147,7 @@ static void test_slice_split_head_works(int length) {
   gpr_slice head, tail;
   int i;
 
-  LOG_TEST_NAME();
+  LOG_TEST_NAME("test_slice_split_head_works");
   gpr_log(GPR_INFO, "length=%d", length);
 
   /* Create a slice in which each byte is equal to the distance from it to the
@@ -175,7 +175,7 @@ static void test_slice_split_tail_works(int length) {
   gpr_slice head, tail;
   int i;
 
-  LOG_TEST_NAME();
+  LOG_TEST_NAME("test_slice_split_tail_works");
   gpr_log(GPR_INFO, "length=%d", length);
 
   /* Create a slice in which each byte is equal to the distance from it to the
@@ -202,7 +202,7 @@ static void test_slice_from_copied_string_works(void) {
   static const char *text = "HELLO WORLD!";
   gpr_slice slice;
 
-  LOG_TEST_NAME();
+  LOG_TEST_NAME("test_slice_from_copied_string_works");
 
   slice = gpr_slice_from_copied_string(text);
   GPR_ASSERT(strlen(text) == GPR_SLICE_LENGTH(slice));
diff --git a/test/core/support/string_test.c b/test/core/support/string_test.c
index a78e4782a2..a1692ab39f 100644
--- a/test/core/support/string_test.c
+++ b/test/core/support/string_test.c
@@ -42,13 +42,13 @@
 #include <grpc/support/useful.h>
 #include "test/core/util/test_config.h"
 
-#define LOG_TEST_NAME() gpr_log(GPR_INFO, "%s", __FUNCTION__)
+#define LOG_TEST_NAME(x) gpr_log(GPR_INFO, "%s", x)
 
 static void test_strdup(void) {
   static const char *src1 = "hello world";
   char *dst1;
 
-  LOG_TEST_NAME();
+  LOG_TEST_NAME("test_strdup");
 
   dst1 = gpr_strdup(src1);
   GPR_ASSERT(0 == strcmp(src1, dst1));
@@ -65,7 +65,7 @@ static void expect_hexdump(const char *buf, size_t len, gpr_uint32 flags,
 }
 
 static void test_hexdump(void) {
-  LOG_TEST_NAME();
+  LOG_TEST_NAME("test_hexdump");
   expect_hexdump("\x01", 1, 0, "01");
   expect_hexdump("\x01", 1, GPR_HEXDUMP_PLAINTEXT, "01 '.'");
   expect_hexdump("\x01\x02", 2, 0, "01 02");
@@ -86,7 +86,7 @@ static void test_pu32_succeed(const char *s, gpr_uint32 want) {
 }
 
 static void test_parse_uint32(void) {
-  LOG_TEST_NAME();
+  LOG_TEST_NAME("test_parse_uint32");
 
   test_pu32_fail("-1");
   test_pu32_fail("a");
@@ -123,7 +123,7 @@ static void test_asprintf(void) {
   char *buf;
   int i, j;
 
-  LOG_TEST_NAME();
+  LOG_TEST_NAME("test_asprintf");
 
   /* Print an empty string. */
   GPR_ASSERT(gpr_asprintf(&buf, "") == 0);
diff --git a/test/core/surface/byte_buffer_reader_test.c b/test/core/surface/byte_buffer_reader_test.c
index b121abf757..9265ef16b0 100644
--- a/test/core/surface/byte_buffer_reader_test.c
+++ b/test/core/surface/byte_buffer_reader_test.c
@@ -44,13 +44,13 @@
 
 #include <string.h>
 
-#define LOG_TEST() gpr_log(GPR_INFO, "%s", __FUNCTION__)
+#define LOG_TEST(x) gpr_log(GPR_INFO, "%s", x)
 
 static void test_create(void) {
   grpc_byte_buffer *buffer;
   grpc_byte_buffer_reader *reader;
   gpr_slice empty = gpr_empty_slice();
-  LOG_TEST();
+  LOG_TEST("test_create");
   buffer = grpc_byte_buffer_create(&empty, 1);
   reader = grpc_byte_buffer_reader_create(buffer);
   grpc_byte_buffer_reader_destroy(reader);
@@ -64,7 +64,7 @@ static void test_read_one_slice(void) {
   gpr_slice first_slice, second_slice;
   int first_code, second_code;
 
-  LOG_TEST();
+  LOG_TEST("test_read_one_slice");
   slice = gpr_slice_from_copied_string("test");
   buffer = grpc_byte_buffer_create(&slice, 1);
   gpr_slice_unref(slice);
@@ -86,7 +86,7 @@ static void test_read_one_slice_malloc(void) {
   gpr_slice first_slice, second_slice;
   int first_code, second_code;
 
-  LOG_TEST();
+  LOG_TEST("test_read_one_slice_malloc");
   slice = gpr_slice_malloc(4);
   memcpy(GPR_SLICE_START_PTR(slice), "test", 4);
   buffer = grpc_byte_buffer_create(&slice, 1);
diff --git a/test/core/surface/completion_queue_test.c b/test/core/surface/completion_queue_test.c
index 3e84eaf54c..e26f379bfc 100644
--- a/test/core/surface/completion_queue_test.c
+++ b/test/core/surface/completion_queue_test.c
@@ -41,7 +41,7 @@
 #include <grpc/support/useful.h>
 #include "test/core/util/test_config.h"
 
-#define LOG_TEST() gpr_log(GPR_INFO, "%s", __FUNCTION__)
+#define LOG_TEST(x) gpr_log(GPR_INFO, "%s", x)
 
 static void *create_test_tag(void) {
   static gpr_intptr i = 0;
@@ -59,14 +59,14 @@ static void shutdown_and_destroy(grpc_completion_queue *cc) {
 
 /* ensure we can create and destroy a completion channel */
 static void test_no_op(void) {
-  LOG_TEST();
+  LOG_TEST("test_no_op");
   shutdown_and_destroy(grpc_completion_queue_create());
 }
 
 static void test_wait_empty(void) {
   grpc_completion_queue *cc;
 
-  LOG_TEST();
+  LOG_TEST("test_wait_empty");
 
   cc = grpc_completion_queue_create();
   GPR_ASSERT(grpc_completion_queue_next(cc, gpr_now()).type ==
@@ -79,7 +79,7 @@ static void test_cq_end_op(void) {
   grpc_completion_queue *cc;
   void *tag = create_test_tag();
 
-  LOG_TEST();
+  LOG_TEST("test_cq_end_op");
 
   cc = grpc_completion_queue_create();
 
@@ -100,7 +100,7 @@ static void test_pluck(void) {
   void *tags[128];
   unsigned i, j;
 
-  LOG_TEST();
+  LOG_TEST("test_pluck");
 
   for (i = 0; i < GPR_ARRAY_SIZE(tags); i++) {
     tags[i] = create_test_tag();
@@ -222,7 +222,7 @@ static void test_threading(int producers, int consumers) {
   int total_consumed = 0;
   static int optid = 101;
 
-  gpr_log(GPR_INFO, "%s: %d producers, %d consumers", __FUNCTION__, producers,
+  gpr_log(GPR_INFO, "%s: %d producers, %d consumers", "test_threading", producers,
           consumers);
 
   grpc_completion_queue_dont_poll_test_only(cc);
diff --git a/test/core/transport/chttp2/hpack_table_test.c b/test/core/transport/chttp2/hpack_table_test.c
index d1e5f0829a..6bc697878a 100644
--- a/test/core/transport/chttp2/hpack_table_test.c
+++ b/test/core/transport/chttp2/hpack_table_test.c
@@ -41,7 +41,7 @@
 #include <grpc/support/log.h>
 #include "test/core/util/test_config.h"
 
-#define LOG_TEST() gpr_log(GPR_INFO, "%s", __FUNCTION__)
+#define LOG_TEST(x) gpr_log(GPR_INFO, "%s", x)
 
 static void assert_str(const grpc_chttp2_hptbl *tbl, grpc_mdstr *mdstr,
                        const char *str) {
@@ -62,7 +62,7 @@ static void test_static_lookup(void) {
   mdctx = grpc_mdctx_create();
   grpc_chttp2_hptbl_init(&tbl, mdctx);
 
-  LOG_TEST();
+  LOG_TEST("test_static_lookup");
   assert_index(&tbl, 1, ":authority", "");
   assert_index(&tbl, 2, ":method", "GET");
   assert_index(&tbl, 3, ":method", "POST");
@@ -136,7 +136,7 @@ static void test_many_additions(void) {
   char *value;
   grpc_mdctx *mdctx;
 
-  LOG_TEST();
+  LOG_TEST("test_many_additions");
 
   mdctx = grpc_mdctx_create();
   grpc_chttp2_hptbl_init(&tbl, mdctx);
@@ -177,7 +177,7 @@ static void test_find(void) {
   grpc_mdctx *mdctx;
   grpc_chttp2_hptbl_find_result r;
 
-  LOG_TEST();
+  LOG_TEST("test_find");
 
   mdctx = grpc_mdctx_create();
   grpc_chttp2_hptbl_init(&tbl, mdctx);
diff --git a/test/core/transport/chttp2/stream_map_test.c b/test/core/transport/chttp2/stream_map_test.c
index d678e0af73..3c6976ee9d 100644
--- a/test/core/transport/chttp2/stream_map_test.c
+++ b/test/core/transport/chttp2/stream_map_test.c
@@ -35,13 +35,13 @@
 #include <grpc/support/log.h>
 #include "test/core/util/test_config.h"
 
-#define LOG_TEST() gpr_log(GPR_INFO, "%s", __FUNCTION__)
+#define LOG_TEST(x) gpr_log(GPR_INFO, "%s", x)
 
 /* test creation & destruction */
 static void test_no_op(void) {
   grpc_chttp2_stream_map map;
 
-  LOG_TEST();
+  LOG_TEST("test_no_op");
 
   grpc_chttp2_stream_map_init(&map, 8);
   grpc_chttp2_stream_map_destroy(&map);
@@ -51,7 +51,7 @@ static void test_no_op(void) {
 static void test_empty_find(void) {
   grpc_chttp2_stream_map map;
 
-  LOG_TEST();
+  LOG_TEST("test_empty_find");
 
   grpc_chttp2_stream_map_init(&map, 8);
   GPR_ASSERT(NULL == grpc_chttp2_stream_map_find(&map, 39128));
@@ -62,7 +62,7 @@ static void test_empty_find(void) {
 static void test_double_deletion(void) {
   grpc_chttp2_stream_map map;
 
-  LOG_TEST();
+  LOG_TEST("test_double_deletion");
 
   grpc_chttp2_stream_map_init(&map, 8);
   GPR_ASSERT(0 == grpc_chttp2_stream_map_size(&map));
@@ -87,7 +87,7 @@ static void test_basic_add_find(size_t n) {
   size_t i;
   size_t got;
 
-  LOG_TEST();
+  LOG_TEST("test_basic_add_find");
   gpr_log(GPR_INFO, "n = %d", n);
 
   grpc_chttp2_stream_map_init(&map, 8);
@@ -143,7 +143,7 @@ static void test_delete_evens_sweep(size_t n) {
   grpc_chttp2_stream_map map;
   size_t i;
 
-  LOG_TEST();
+  LOG_TEST("test_delete_evens_sweep");
   gpr_log(GPR_INFO, "n = %d", n);
 
   grpc_chttp2_stream_map_init(&map, 8);
@@ -165,7 +165,7 @@ static void test_delete_evens_incremental(size_t n) {
   grpc_chttp2_stream_map map;
   size_t i;
 
-  LOG_TEST();
+  LOG_TEST("test_delete_evens_incremental");
   gpr_log(GPR_INFO, "n = %d", n);
 
   grpc_chttp2_stream_map_init(&map, 8);
@@ -186,7 +186,7 @@ static void test_periodic_compaction(size_t n) {
   size_t i;
   size_t del;
 
-  LOG_TEST();
+  LOG_TEST("test_periodic_compaction");
   gpr_log(GPR_INFO, "n = %d", n);
 
   grpc_chttp2_stream_map_init(&map, 16);
diff --git a/test/core/transport/chttp2/timeout_encoding_test.c b/test/core/transport/chttp2/timeout_encoding_test.c
index fdb27a22ce..daaae1d39d 100644
--- a/test/core/transport/chttp2/timeout_encoding_test.c
+++ b/test/core/transport/chttp2/timeout_encoding_test.c
@@ -42,7 +42,7 @@
 #include <grpc/support/useful.h>
 #include "test/core/util/test_config.h"
 
-#define LOG_TEST() gpr_log(GPR_INFO, "%s", __FUNCTION__)
+#define LOG_TEST(x) gpr_log(GPR_INFO, "%s", x)
 
 static void assert_encodes_as(gpr_timespec ts, const char *s) {
   char buffer[GRPC_CHTTP2_TIMEOUT_ENCODE_MIN_BUFSIZE];
@@ -52,7 +52,7 @@ static void assert_encodes_as(gpr_timespec ts, const char *s) {
 }
 
 void test_encoding(void) {
-  LOG_TEST();
+  LOG_TEST("test_encoding");
   assert_encodes_as(gpr_time_from_micros(-1), "1n");
   assert_encodes_as(gpr_time_from_seconds(-10), "1n");
   assert_encodes_as(gpr_time_from_nanos(10), "10n");
@@ -116,7 +116,7 @@ void decode_suite(char ext, gpr_timespec (*answer)(long x)) {
 }
 
 void test_decoding(void) {
-  LOG_TEST();
+  LOG_TEST("test_decoding");
   decode_suite('n', gpr_time_from_nanos);
   decode_suite('u', gpr_time_from_micros);
   decode_suite('m', gpr_time_from_millis);
@@ -128,7 +128,7 @@ void test_decoding(void) {
 
 void test_decoding_fails(void) {
   gpr_timespec x;
-  LOG_TEST();
+  LOG_TEST("test_decoding_fails");
   GPR_ASSERT(0 == grpc_chttp2_decode_timeout("", &x));
   GPR_ASSERT(0 == grpc_chttp2_decode_timeout(" ", &x));
   GPR_ASSERT(0 == grpc_chttp2_decode_timeout("x", &x));
diff --git a/test/core/transport/metadata_test.c b/test/core/transport/metadata_test.c
index 66b5407d3c..9b242c5493 100644
--- a/test/core/transport/metadata_test.c
+++ b/test/core/transport/metadata_test.c
@@ -41,7 +41,7 @@
 #include <grpc/support/log.h>
 #include "test/core/util/test_config.h"
 
-#define LOG_TEST() gpr_log(GPR_INFO, "%s", __FUNCTION__)
+#define LOG_TEST(x) gpr_log(GPR_INFO, "%s", x)
 
 /* a large number */
 #define MANY 10000
@@ -49,7 +49,7 @@
 static void test_no_op(void) {
   grpc_mdctx *ctx;
 
-  LOG_TEST();
+  LOG_TEST("test_no_op");
 
   ctx = grpc_mdctx_create();
   grpc_mdctx_unref(ctx);
@@ -59,7 +59,7 @@ static void test_create_string(void) {
   grpc_mdctx *ctx;
   grpc_mdstr *s1, *s2, *s3;
 
-  LOG_TEST();
+  LOG_TEST("test_create_string");
 
   ctx = grpc_mdctx_create();
   s1 = grpc_mdstr_from_string(ctx, "hello");
@@ -79,7 +79,7 @@ static void test_create_metadata(void) {
   grpc_mdctx *ctx;
   grpc_mdelem *m1, *m2, *m3;
 
-  LOG_TEST();
+  LOG_TEST("test_create_metadata");
 
   ctx = grpc_mdctx_create();
   m1 = grpc_mdelem_from_strings(ctx, "a", "b");
@@ -104,7 +104,7 @@ static void test_create_many_ephemeral_metadata(void) {
   long i;
   size_t mdtab_capacity_before;
 
-  LOG_TEST();
+  LOG_TEST("test_create_many_ephemeral_metadata");
 
   ctx = grpc_mdctx_create();
   mdtab_capacity_before = grpc_mdctx_get_mdtab_capacity_test_only(ctx);
@@ -126,7 +126,7 @@ static void test_create_many_persistant_metadata(void) {
   grpc_mdelem **created = gpr_malloc(sizeof(grpc_mdelem *) * MANY);
   grpc_mdelem *md;
 
-  LOG_TEST();
+  LOG_TEST("test_create_many_persistant_metadata");
 
   ctx = grpc_mdctx_create();
   /* add phase */
@@ -153,7 +153,7 @@ static void test_create_many_persistant_metadata(void) {
 static void test_spin_creating_the_same_thing(void) {
   grpc_mdctx *ctx;
 
-  LOG_TEST();
+  LOG_TEST("test_spin_creating_the_same_thing");
 
   ctx = grpc_mdctx_create();
   GPR_ASSERT(grpc_mdctx_get_mdtab_count_test_only(ctx) == 0);
@@ -183,7 +183,7 @@ static void test_things_stick_around(void) {
   int *shuf = gpr_malloc(sizeof(int) * nstrs);
   grpc_mdstr *test;
 
-  LOG_TEST();
+  LOG_TEST("test_things_stick_around");
 
   ctx = grpc_mdctx_create();
 
@@ -229,7 +229,7 @@ static void test_slices_work(void) {
   grpc_mdstr *str;
   gpr_slice slice;
 
-  LOG_TEST();
+  LOG_TEST("test_slices_work");
 
   ctx = grpc_mdctx_create();
 
@@ -254,7 +254,7 @@ static void test_base64_and_huffman_works(void) {
   gpr_slice slice1;
   gpr_slice slice2;
 
-  LOG_TEST();
+  LOG_TEST("test_base64_and_huffman_works");
 
   ctx = grpc_mdctx_create();
   str = grpc_mdstr_from_string(ctx, "abcdefg");