3 files changed, 22 insertions, 5 deletions
diff --git a/src/core/lib/support/log_posix.c b/src/core/lib/support/log_posix.c
index f972da0887..79458dd7a3 100644
--- a/src/core/lib/support/log_posix.c
+++ b/src/core/lib/support/log_posix.c
@@ -37,6 +37,7 @@
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
 #include <grpc/support/time.h>
 #include <pthread.h>
 #include <stdarg.h>
@@ -93,10 +94,13 @@ void gpr_default_log(gpr_log_func_args *args) {
     strcpy(time_buffer, "error:strftime");
   }
 
-  fprintf(stderr, "%s%s.%09d %7tu %s:%d] %s\n",
-          gpr_log_severity_string(args->severity), time_buffer,
-          (int)(now.tv_nsec), gettid(), display_file, args->line,
-          args->message);
+  char *prefix;
+  gpr_asprintf(&prefix, "%s%s.%09d %7tu %s:%d]",
+               gpr_log_severity_string(args->severity), time_buffer,
+               (int)(now.tv_nsec), gettid(), display_file, args->line);
+
+  fprintf(stderr, "%-70s %s\n", prefix, args->message);
+  gpr_free(prefix);
 }
 
 #endif /* defined(GPR_POSIX_LOG) */
diff --git a/src/core/lib/support/sync_posix.c b/src/core/lib/support/sync_posix.c
index dcb0969a4e..de0f0484b5 100644
--- a/src/core/lib/support/sync_posix.c
+++ b/src/core/lib/support/sync_posix.c
@@ -42,11 +42,18 @@
 #include <time.h>
 #include "src/core/lib/profiling/timers.h"
 
+#ifdef GPR_MU_COUNTERS
+gpr_atm grpc_mu_locks = 0;
+#endif
+
 void gpr_mu_init(gpr_mu* mu) { GPR_ASSERT(pthread_mutex_init(mu, NULL) == 0); }
 
 void gpr_mu_destroy(gpr_mu* mu) { GPR_ASSERT(pthread_mutex_destroy(mu) == 0); }
 
 void gpr_mu_lock(gpr_mu* mu) {
+#ifdef GPR_MU_COUNTERS
+  gpr_atm_no_barrier_fetch_add(&grpc_mu_locks, 1);
+#endif
   GPR_TIMER_BEGIN("gpr_mu_lock", 0);
   GPR_ASSERT(pthread_mutex_lock(mu) == 0);
   GPR_TIMER_END("gpr_mu_lock", 0);
diff --git a/src/core/lib/support/time_windows.c b/src/core/lib/support/time_windows.c
index 6459732879..7b94a5b7bf 100644
--- a/src/core/lib/support/time_windows.c
+++ b/src/core/lib/support/time_windows.c
@@ -56,7 +56,7 @@ void gpr_time_init(void) {
   g_time_scale = 1.0 / (double)frequency.QuadPart;
 }
 
-gpr_timespec gpr_now(gpr_clock_type clock) {
+static gpr_timespec now_impl(gpr_clock_type clock) {
   gpr_timespec now_tv;
   LONGLONG diff;
   struct _timeb now_tb;
@@ -84,6 +84,12 @@ gpr_timespec gpr_now(gpr_clock_type clock) {
   return now_tv;
 }
 
+gpr_timespec (*gpr_now_impl)(gpr_clock_type clock_type) = now_impl;
+
+gpr_timespec gpr_now(gpr_clock_type clock_type) {
+  return gpr_now_impl(clock_type);
+}
+
 void gpr_sleep_until(gpr_timespec until) {
   gpr_timespec now;
   gpr_timespec delta;