aboutsummaryrefslogtreecommitdiffhomepage
path: root/test/core/statistics
diff options
context:
space:
mode:
Diffstat (limited to 'test/core/statistics')
-rw-r--r--test/core/statistics/census_log_tests.cc576
-rw-r--r--test/core/statistics/hash_table_test.cc286
-rw-r--r--test/core/statistics/trace_test.cc239
-rw-r--r--test/core/statistics/window_stats_test.cc304
4 files changed, 0 insertions, 1405 deletions
diff --git a/test/core/statistics/census_log_tests.cc b/test/core/statistics/census_log_tests.cc
deleted file mode 100644
index e6eda5486c..0000000000
--- a/test/core/statistics/census_log_tests.cc
+++ /dev/null
@@ -1,576 +0,0 @@
-/*
- *
- * Copyright 2015 gRPC authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-#include <grpc/support/cpu.h>
-#include <grpc/support/log.h>
-#include <grpc/support/port_platform.h>
-#include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
-#include <grpc/support/time.h>
-#include <grpc/support/useful.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include "src/core/ext/census/census_log.h"
-#include "test/core/util/test_config.h"
-
-/* Fills in 'record' of size 'size'. Each byte in record is filled in with the
- same value. The value is extracted from 'record' pointer. */
-static void write_record(char* record, size_t size) {
- char data = (uintptr_t)record % 255;
- memset(record, data, size);
-}
-
-/* Reads fixed size records. Returns the number of records read in
- 'num_records'. */
-static void read_records(size_t record_size, const char* buffer,
- size_t buffer_size, int32_t* num_records) {
- int32_t ix;
- GPR_ASSERT(buffer_size >= record_size);
- GPR_ASSERT(buffer_size % record_size == 0);
- *num_records = buffer_size / record_size;
- for (ix = 0; ix < *num_records; ++ix) {
- size_t jx;
- const char* record = buffer + (record_size * ix);
- char data = (uintptr_t)record % 255;
- for (jx = 0; jx < record_size; ++jx) {
- GPR_ASSERT(data == record[jx]);
- }
- }
-}
-
-/* Tries to write the specified number of records. Stops when the log gets
- full. Returns the number of records written. Spins for random
- number of times, up to 'max_spin_count', between writes. */
-static size_t write_records_to_log(int writer_id, int32_t record_size,
- int32_t num_records,
- int32_t max_spin_count) {
- int32_t ix;
- int counter = 0;
- for (ix = 0; ix < num_records; ++ix) {
- int32_t jx;
- int32_t spin_count = max_spin_count ? rand() % max_spin_count : 0;
- char* record;
- if (counter++ == num_records / 10) {
- printf(" Writer %d: %d out of %d written\n", writer_id, ix,
- num_records);
- counter = 0;
- }
- record = (char*)(census_log_start_write(record_size));
- if (record == NULL) {
- return ix;
- }
- write_record(record, record_size);
- census_log_end_write(record, record_size);
- for (jx = 0; jx < spin_count; ++jx) {
- GPR_ASSERT(jx >= 0);
- }
- }
- return num_records;
-}
-
-/* Performs a single read iteration. Returns the number of records read. */
-static size_t perform_read_iteration(size_t record_size) {
- const void* read_buffer = NULL;
- size_t bytes_available;
- size_t records_read = 0;
- census_log_init_reader();
- while ((read_buffer = census_log_read_next(&bytes_available))) {
- int32_t num_records = 0;
- read_records(record_size, (const char*)read_buffer, bytes_available,
- &num_records);
- records_read += num_records;
- }
- return records_read;
-}
-
-/* Asserts that the log is empty. */
-static void assert_log_empty(void) {
- size_t bytes_available;
- census_log_init_reader();
- GPR_ASSERT(census_log_read_next(&bytes_available) == NULL);
-}
-
-/* Given log size and record size, computes the minimum usable space. */
-static int32_t min_usable_space(size_t log_size, size_t record_size) {
- int32_t usable_space;
- int32_t num_blocks =
- GPR_MAX(log_size / CENSUS_LOG_MAX_RECORD_SIZE, gpr_cpu_num_cores());
- int32_t waste_per_block = CENSUS_LOG_MAX_RECORD_SIZE % record_size;
- /* In the worst case, all except one core-local block is full. */
- int32_t num_full_blocks = num_blocks - 1;
- usable_space = (int32_t)log_size -
- (num_full_blocks * CENSUS_LOG_MAX_RECORD_SIZE) -
- ((num_blocks - num_full_blocks) * waste_per_block);
- GPR_ASSERT(usable_space > 0);
- return usable_space;
-}
-
-/* Fills the log and verifies data. If 'no fragmentation' is true, records
- are sized such that CENSUS_LOG_2_MAX_RECORD_SIZE is a multiple of record
- size. If not a circular log, verifies that the number of records written
- match the number of records read. */
-static void fill_log(size_t log_size, int no_fragmentation, int circular_log) {
- int size;
- int32_t records_written;
- int32_t usable_space;
- int32_t records_read;
- if (no_fragmentation) {
- int log2size = rand() % (CENSUS_LOG_2_MAX_RECORD_SIZE + 1);
- size = (1 << log2size);
- } else {
- while (1) {
- size = 1 + (rand() % CENSUS_LOG_MAX_RECORD_SIZE);
- if (CENSUS_LOG_MAX_RECORD_SIZE % size) {
- break;
- }
- }
- }
- printf(" Fill record size: %d\n", size);
- records_written = write_records_to_log(
- 0 /* writer id */, size, (log_size / size) * 2, 0 /* spin count */);
- usable_space = min_usable_space(log_size, size);
- GPR_ASSERT(records_written * size >= usable_space);
- records_read = perform_read_iteration(size);
- if (!circular_log) {
- GPR_ASSERT(records_written == records_read);
- }
- assert_log_empty();
-}
-
-/* Structure to pass args to writer_thread */
-typedef struct writer_thread_args {
- /* Index of this thread in the writers vector. */
- int index;
- /* Record size. */
- size_t record_size;
- /* Number of records to write. */
- int32_t num_records;
- /* Used to signal when writer is complete */
- gpr_cv* done;
- gpr_mu* mu;
- int* count;
-} writer_thread_args;
-
-/* Writes the given number of records of random size (up to kMaxRecordSize) and
- random data to the specified log. */
-static void writer_thread(void* arg) {
- writer_thread_args* args = (writer_thread_args*)arg;
- /* Maximum number of times to spin between writes. */
- static const int32_t MAX_SPIN_COUNT = 50;
- int records_written = 0;
- printf(" Writer: %d\n", args->index);
- while (records_written < args->num_records) {
- records_written += write_records_to_log(args->index, args->record_size,
- args->num_records - records_written,
- MAX_SPIN_COUNT);
- if (records_written < args->num_records) {
- /* Ran out of log space. Sleep for a bit and let the reader catch up.
- This should never happen for circular logs. */
- printf(" Writer stalled due to out-of-space: %d out of %d written\n",
- records_written, args->num_records);
- gpr_sleep_until(grpc_timeout_milliseconds_to_deadline(10));
- }
- }
- /* Done. Decrement count and signal. */
- gpr_mu_lock(args->mu);
- (*args->count)--;
- gpr_cv_broadcast(args->done);
- printf(" Writer done: %d\n", args->index);
- gpr_mu_unlock(args->mu);
-}
-
-/* struct to pass args to reader_thread */
-typedef struct reader_thread_args {
- /* Record size. */
- size_t record_size;
- /* Interval between read iterations. */
- int32_t read_iteration_interval_in_msec;
- /* Total number of records. */
- int32_t total_records;
- /* Signalled when reader should stop. */
- gpr_cv stop;
- int stop_flag;
- /* Used to signal when reader has finished */
- gpr_cv* done;
- gpr_mu* mu;
- int running;
-} reader_thread_args;
-
-/* Reads and verifies the specified number of records. Reader can also be
- stopped via gpr_cv_signal(&args->stop). Sleeps for 'read_interval_in_msec'
- between read iterations. */
-static void reader_thread(void* arg) {
- int32_t records_read = 0;
- reader_thread_args* args = (reader_thread_args*)arg;
- int32_t num_iterations = 0;
- gpr_timespec interval;
- int counter = 0;
- printf(" Reader starting\n");
- interval = gpr_time_from_micros(
- (int64_t)args->read_iteration_interval_in_msec * 1000, GPR_TIMESPAN);
- gpr_mu_lock(args->mu);
- while (!args->stop_flag && records_read < args->total_records) {
- gpr_cv_wait(&args->stop, args->mu, interval);
- if (!args->stop_flag) {
- records_read += perform_read_iteration(args->record_size);
- GPR_ASSERT(records_read <= args->total_records);
- if (counter++ == 100000) {
- printf(" Reader: %d out of %d read\n", records_read,
- args->total_records);
- counter = 0;
- }
- ++num_iterations;
- }
- }
- /* Done */
- args->running = 0;
- gpr_cv_broadcast(args->done);
- printf(" Reader: records: %d, iterations: %d\n", records_read,
- num_iterations);
- gpr_mu_unlock(args->mu);
-}
-
-/* Creates NUM_WRITERS writers where each writer writes NUM_RECORDS_PER_WRITER
- records. Also, starts a reader that iterates over and reads blocks every
- READ_ITERATION_INTERVAL_IN_MSEC. */
-/* Number of writers. */
-#define NUM_WRITERS 5
-static void multiple_writers_single_reader(int circular_log) {
- /* Sleep interval between read iterations. */
- static const int32_t READ_ITERATION_INTERVAL_IN_MSEC = 10;
- /* Number of records written by each writer. */
- static const int32_t NUM_RECORDS_PER_WRITER = 10 * 1024 * 1024;
- /* Maximum record size. */
- static const size_t MAX_RECORD_SIZE = 10;
- int ix;
- gpr_thd_id id;
- gpr_cv writers_done;
- int writers_count = NUM_WRITERS;
- gpr_mu writers_mu; /* protects writers_done and writers_count */
- writer_thread_args writers[NUM_WRITERS];
- gpr_cv reader_done;
- gpr_mu reader_mu; /* protects reader_done and reader.running */
- reader_thread_args reader;
- int32_t record_size = 1 + rand() % MAX_RECORD_SIZE;
- printf(" Record size: %d\n", record_size);
- /* Create and start writers. */
- gpr_cv_init(&writers_done);
- gpr_mu_init(&writers_mu);
- for (ix = 0; ix < NUM_WRITERS; ++ix) {
- writers[ix].index = ix;
- writers[ix].record_size = record_size;
- writers[ix].num_records = NUM_RECORDS_PER_WRITER;
- writers[ix].done = &writers_done;
- writers[ix].count = &writers_count;
- writers[ix].mu = &writers_mu;
- gpr_thd_new(&id, &writer_thread, &writers[ix], NULL);
- }
- /* Start reader. */
- reader.record_size = record_size;
- reader.read_iteration_interval_in_msec = READ_ITERATION_INTERVAL_IN_MSEC;
- reader.total_records = NUM_WRITERS * NUM_RECORDS_PER_WRITER;
- reader.stop_flag = 0;
- gpr_cv_init(&reader.stop);
- gpr_cv_init(&reader_done);
- reader.done = &reader_done;
- gpr_mu_init(&reader_mu);
- reader.mu = &reader_mu;
- reader.running = 1;
- gpr_thd_new(&id, &reader_thread, &reader, NULL);
- /* Wait for writers to finish. */
- gpr_mu_lock(&writers_mu);
- while (writers_count != 0) {
- gpr_cv_wait(&writers_done, &writers_mu, gpr_inf_future(GPR_CLOCK_REALTIME));
- }
- gpr_mu_unlock(&writers_mu);
- gpr_mu_destroy(&writers_mu);
- gpr_cv_destroy(&writers_done);
- gpr_mu_lock(&reader_mu);
- if (circular_log) {
- /* Stop reader. */
- reader.stop_flag = 1;
- gpr_cv_signal(&reader.stop);
- }
- /* wait for reader to finish */
- while (reader.running) {
- gpr_cv_wait(&reader_done, &reader_mu, gpr_inf_future(GPR_CLOCK_REALTIME));
- }
- if (circular_log) {
- /* Assert that there were no out-of-space errors. */
- GPR_ASSERT(0 == census_log_out_of_space_count());
- }
- gpr_mu_unlock(&reader_mu);
- gpr_mu_destroy(&reader_mu);
- gpr_cv_destroy(&reader_done);
- printf(" Reader: finished\n");
-}
-
-/* Log sizes to use for all tests. */
-#define LOG_SIZE_IN_MB 1
-#define LOG_SIZE_IN_BYTES (LOG_SIZE_IN_MB << 20)
-
-static void setup_test(int circular_log) {
- census_log_initialize(LOG_SIZE_IN_MB, circular_log);
- GPR_ASSERT(census_log_remaining_space() == LOG_SIZE_IN_BYTES);
-}
-
-/* Attempts to create a record of invalid size (size >
- CENSUS_LOG_MAX_RECORD_SIZE). */
-void test_invalid_record_size(void) {
- static const size_t INVALID_SIZE = CENSUS_LOG_MAX_RECORD_SIZE + 1;
- static const size_t VALID_SIZE = 1;
- void* record;
- printf("Starting test: invalid record size\n");
- setup_test(0);
- record = census_log_start_write(INVALID_SIZE);
- GPR_ASSERT(record == NULL);
- /* Now try writing a valid record. */
- record = census_log_start_write(VALID_SIZE);
- GPR_ASSERT(record != NULL);
- census_log_end_write(record, VALID_SIZE);
- /* Verifies that available space went down by one block. In theory, this
- check can fail if the thread is context switched to a new CPU during the
- start_write execution (multiple blocks get allocated), but this has not
- been observed in practice. */
- GPR_ASSERT(LOG_SIZE_IN_BYTES - CENSUS_LOG_MAX_RECORD_SIZE ==
- census_log_remaining_space());
- census_log_shutdown();
-}
-
-/* Tests end_write() with a different size than what was specified in
- start_write(). */
-void test_end_write_with_different_size(void) {
- static const size_t START_WRITE_SIZE = 10;
- static const size_t END_WRITE_SIZE = 7;
- void* record_written;
- const void* record_read;
- size_t bytes_available;
- printf("Starting test: end write with different size\n");
- setup_test(0);
- record_written = census_log_start_write(START_WRITE_SIZE);
- GPR_ASSERT(record_written != NULL);
- census_log_end_write(record_written, END_WRITE_SIZE);
- census_log_init_reader();
- record_read = census_log_read_next(&bytes_available);
- GPR_ASSERT(record_written == record_read);
- GPR_ASSERT(END_WRITE_SIZE == bytes_available);
- assert_log_empty();
- census_log_shutdown();
-}
-
-/* Verifies that pending records are not available via read_next(). */
-void test_read_pending_record(void) {
- static const size_t PR_RECORD_SIZE = 1024;
- size_t bytes_available;
- const void* record_read;
- void* record_written;
- printf("Starting test: read pending record\n");
- setup_test(0);
- /* Start a write. */
- record_written = census_log_start_write(PR_RECORD_SIZE);
- GPR_ASSERT(record_written != NULL);
- /* As write is pending, read should fail. */
- census_log_init_reader();
- record_read = census_log_read_next(&bytes_available);
- GPR_ASSERT(record_read == NULL);
- /* A read followed by end_write() should succeed. */
- census_log_end_write(record_written, PR_RECORD_SIZE);
- census_log_init_reader();
- record_read = census_log_read_next(&bytes_available);
- GPR_ASSERT(record_written == record_read);
- GPR_ASSERT(PR_RECORD_SIZE == bytes_available);
- assert_log_empty();
- census_log_shutdown();
-}
-
-/* Tries reading beyond pending write. */
-void test_read_beyond_pending_record(void) {
- /* Start a write. */
- uint32_t incomplete_record_size = 10;
- uint32_t complete_record_size = 20;
- size_t bytes_available;
- void* complete_record;
- const void* record_read;
- void* incomplete_record;
- printf("Starting test: read beyond pending record\n");
- setup_test(0);
- incomplete_record = census_log_start_write(incomplete_record_size);
- GPR_ASSERT(incomplete_record != NULL);
- complete_record = census_log_start_write(complete_record_size);
- GPR_ASSERT(complete_record != NULL);
- GPR_ASSERT(complete_record != incomplete_record);
- census_log_end_write(complete_record, complete_record_size);
- /* Now iterate over blocks to read completed records. */
- census_log_init_reader();
- record_read = census_log_read_next(&bytes_available);
- GPR_ASSERT(complete_record == record_read);
- GPR_ASSERT(complete_record_size == bytes_available);
- /* Complete first record. */
- census_log_end_write(incomplete_record, incomplete_record_size);
- /* Have read past the incomplete record, so read_next() should return NULL. */
- /* NB: this test also assumes our thread did not get switched to a different
- CPU between the two start_write calls */
- record_read = census_log_read_next(&bytes_available);
- GPR_ASSERT(record_read == NULL);
- /* Reset reader to get the newly completed record. */
- census_log_init_reader();
- record_read = census_log_read_next(&bytes_available);
- GPR_ASSERT(incomplete_record == record_read);
- GPR_ASSERT(incomplete_record_size == bytes_available);
- assert_log_empty();
- census_log_shutdown();
-}
-
-/* Tests scenario where block being read is detached from a core and put on the
- dirty list. */
-void test_detached_while_reading(void) {
- static const size_t DWR_RECORD_SIZE = 10;
- size_t bytes_available;
- const void* record_read;
- void* record_written;
- uint32_t block_read = 0;
- printf("Starting test: detached while reading\n");
- setup_test(0);
- /* Start a write. */
- record_written = census_log_start_write(DWR_RECORD_SIZE);
- GPR_ASSERT(record_written != NULL);
- census_log_end_write(record_written, DWR_RECORD_SIZE);
- /* Read this record. */
- census_log_init_reader();
- record_read = census_log_read_next(&bytes_available);
- GPR_ASSERT(record_read != NULL);
- GPR_ASSERT(DWR_RECORD_SIZE == bytes_available);
- /* Now fill the log. This will move the block being read from core-local
- array to the dirty list. */
- while ((record_written = census_log_start_write(DWR_RECORD_SIZE))) {
- census_log_end_write(record_written, DWR_RECORD_SIZE);
- }
-
- /* In this iteration, read_next() should only traverse blocks in the
- core-local array. Therefore, we expect at most gpr_cpu_num_cores() more
- blocks. As log is full, if read_next() is traversing the dirty list, we
- will get more than gpr_cpu_num_cores() blocks. */
- while ((record_read = census_log_read_next(&bytes_available))) {
- ++block_read;
- GPR_ASSERT(block_read <= gpr_cpu_num_cores());
- }
- census_log_shutdown();
-}
-
-/* Fills non-circular log with records sized such that size is a multiple of
- CENSUS_LOG_MAX_RECORD_SIZE (no per-block fragmentation). */
-void test_fill_log_no_fragmentation(void) {
- const int circular = 0;
- printf("Starting test: fill log no fragmentation\n");
- setup_test(circular);
- fill_log(LOG_SIZE_IN_BYTES, 1 /* no fragmentation */, circular);
- census_log_shutdown();
-}
-
-/* Fills circular log with records sized such that size is a multiple of
- CENSUS_LOG_MAX_RECORD_SIZE (no per-block fragmentation). */
-void test_fill_circular_log_no_fragmentation(void) {
- const int circular = 1;
- printf("Starting test: fill circular log no fragmentation\n");
- setup_test(circular);
- fill_log(LOG_SIZE_IN_BYTES, 1 /* no fragmentation */, circular);
- census_log_shutdown();
-}
-
-/* Fills non-circular log with records that may straddle end of a block. */
-void test_fill_log_with_straddling_records(void) {
- const int circular = 0;
- printf("Starting test: fill log with straddling records\n");
- setup_test(circular);
- fill_log(LOG_SIZE_IN_BYTES, 0 /* block straddling records */, circular);
- census_log_shutdown();
-}
-
-/* Fills circular log with records that may straddle end of a block. */
-void test_fill_circular_log_with_straddling_records(void) {
- const int circular = 1;
- printf("Starting test: fill circular log with straddling records\n");
- setup_test(circular);
- fill_log(LOG_SIZE_IN_BYTES, 0 /* block straddling records */, circular);
- census_log_shutdown();
-}
-
-/* Tests scenario where multiple writers and a single reader are using a log
- that is configured to discard old records. */
-void test_multiple_writers_circular_log(void) {
- const int circular = 1;
- printf("Starting test: multiple writers circular log\n");
- setup_test(circular);
- multiple_writers_single_reader(circular);
- census_log_shutdown();
-}
-
-/* Tests scenario where multiple writers and a single reader are using a log
- that is configured to discard old records. */
-void test_multiple_writers(void) {
- const int circular = 0;
- printf("Starting test: multiple writers\n");
- setup_test(circular);
- multiple_writers_single_reader(circular);
- census_log_shutdown();
-}
-
-/* Repeat the straddling records and multiple writers tests with a small log. */
-void test_small_log(void) {
- size_t log_size;
- const int circular = 0;
- printf("Starting test: small log\n");
- census_log_initialize(0, circular);
- log_size = census_log_remaining_space();
- GPR_ASSERT(log_size > 0);
- fill_log(log_size, 0, circular);
- census_log_shutdown();
- census_log_initialize(0, circular);
- multiple_writers_single_reader(circular);
- census_log_shutdown();
-}
-
-void test_performance(void) {
- int write_size = 1;
- for (; write_size < CENSUS_LOG_MAX_RECORD_SIZE; write_size *= 2) {
- gpr_timespec write_time;
- gpr_timespec start_time;
- double write_time_micro = 0.0;
- int nrecords = 0;
- setup_test(0);
- start_time = gpr_now(GPR_CLOCK_REALTIME);
- while (1) {
- void* record = census_log_start_write(write_size);
- if (record == NULL) {
- break;
- }
- census_log_end_write(record, write_size);
- nrecords++;
- }
- write_time = gpr_time_sub(gpr_now(GPR_CLOCK_REALTIME), start_time);
- write_time_micro = write_time.tv_sec * 1000000 + write_time.tv_nsec / 1000;
- census_log_shutdown();
- printf(
- "Wrote %d %d byte records in %.3g microseconds: %g records/us "
- "(%g ns/record), %g gigabytes/s\n",
- nrecords, write_size, write_time_micro, nrecords / write_time_micro,
- 1000 * write_time_micro / nrecords,
- (write_size * nrecords) / write_time_micro / 1000);
- }
-}
diff --git a/test/core/statistics/hash_table_test.cc b/test/core/statistics/hash_table_test.cc
deleted file mode 100644
index b660006b8a..0000000000
--- a/test/core/statistics/hash_table_test.cc
+++ /dev/null
@@ -1,286 +0,0 @@
-/*
- *
- * Copyright 2015 gRPC authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "src/core/ext/census/hash_table.h"
-
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/time.h>
-#include "src/core/lib/support/murmur_hash.h"
-#include "src/core/lib/support/string.h"
-#include "test/core/util/test_config.h"
-
-static uint64_t hash64(const void* k) {
- size_t len = strlen(k);
- uint64_t higher = gpr_murmur_hash3((const char*)k, len / 2, 0);
- return higher << 32 |
- gpr_murmur_hash3((const char*)(k) + len / 2, len - len / 2, 0);
-}
-
-static int cmp_str_keys(const void* k1, const void* k2) {
- return strcmp((const char*)k1, (const char*)k2);
-}
-
-static uint64_t force_collision(const void* k) {
- return (1997 + hash64(k) % 3);
-}
-
-static void free_data(void* data) { gpr_free(data); }
-
-/* Basic tests that empty hash table can be created and destroyed. */
-static void test_create_table(void) {
- /* Create table with uint64 key type */
- census_ht* ht = NULL;
- census_ht_option ht_options = {
- CENSUS_HT_UINT64, 1999, NULL, NULL, NULL, NULL};
- ht = census_ht_create(&ht_options);
- GPR_ASSERT(ht != NULL);
- GPR_ASSERT(census_ht_get_size(ht) == 0);
- census_ht_destroy(ht);
- /* Create table with pointer key type */
- ht = NULL;
- ht_options.key_type = CENSUS_HT_POINTER;
- ht_options.hash = &hash64;
- ht_options.compare_keys = &cmp_str_keys;
- ht = census_ht_create(&ht_options);
- GPR_ASSERT(ht != NULL);
- GPR_ASSERT(census_ht_get_size(ht) == 0);
- census_ht_destroy(ht);
-}
-
-static void test_table_with_int_key(void) {
- census_ht_option opt = {CENSUS_HT_UINT64, 7, NULL, NULL, NULL, NULL};
- census_ht* ht = census_ht_create(&opt);
- uint64_t i = 0;
- uint64_t sum_of_keys = 0;
- size_t num_elements;
- census_ht_kv* elements = NULL;
- GPR_ASSERT(ht != NULL);
- GPR_ASSERT(census_ht_get_size(ht) == 0);
- elements = census_ht_get_all_elements(ht, &num_elements);
- GPR_ASSERT(num_elements == 0);
- GPR_ASSERT(elements == NULL);
- for (i = 0; i < 20; ++i) {
- census_ht_key key;
- key.val = i;
- census_ht_insert(ht, key, (void*)(intptr_t)i);
- GPR_ASSERT(census_ht_get_size(ht) == i + 1);
- }
- for (i = 0; i < 20; i++) {
- uint64_t* val = NULL;
- census_ht_key key;
- key.val = i;
- val = static_cast<uint64_t*>(census_ht_find(ht, key));
- GPR_ASSERT(val == (void*)(intptr_t)i);
- }
- elements = census_ht_get_all_elements(ht, &num_elements);
- GPR_ASSERT(elements != NULL);
- GPR_ASSERT(num_elements == 20);
- for (i = 0; i < num_elements; i++) {
- sum_of_keys += elements[i].k.val;
- }
- GPR_ASSERT(sum_of_keys == 190);
- gpr_free(elements);
- census_ht_destroy(ht);
-}
-
-/* Test that there is no memory leak when keys and values are owned by table. */
-static void test_value_and_key_deleter(void) {
- census_ht_option opt = {CENSUS_HT_POINTER, 7, &hash64,
- &cmp_str_keys, &free_data, &free_data};
- census_ht* ht = census_ht_create(&opt);
- census_ht_key key;
- char* val = NULL;
- char* val2 = NULL;
- key.ptr = gpr_malloc(100);
- val = static_cast<char*>(gpr_malloc(10));
- strcpy(val, "value");
- strcpy(key.ptr, "some string as a key");
- GPR_ASSERT(ht != NULL);
- GPR_ASSERT(census_ht_get_size(ht) == 0);
- census_ht_insert(ht, key, val);
- GPR_ASSERT(census_ht_get_size(ht) == 1);
- val = static_cast<char*>(census_ht_find(ht, key));
- GPR_ASSERT(val != NULL);
- GPR_ASSERT(strcmp(val, "value") == 0);
- /* Insert same key different value, old value is overwritten. */
- val2 = static_cast<char*>(gpr_malloc(10));
- strcpy(val2, "v2");
- census_ht_insert(ht, key, val2);
- GPR_ASSERT(census_ht_get_size(ht) == 1);
- val2 = static_cast<char*>(census_ht_find(ht, key));
- GPR_ASSERT(val2 != NULL);
- GPR_ASSERT(strcmp(val2, "v2") == 0);
- census_ht_destroy(ht);
-}
-
-/* Test simple insert and erase operations. */
-static void test_simple_add_and_erase(void) {
- census_ht_option opt = {CENSUS_HT_UINT64, 7, NULL, NULL, NULL, NULL};
- census_ht* ht = census_ht_create(&opt);
- GPR_ASSERT(ht != NULL);
- GPR_ASSERT(census_ht_get_size(ht) == 0);
- {
- census_ht_key key;
- int val = 3;
- key.val = 2;
- census_ht_insert(ht, key, (void*)&val);
- GPR_ASSERT(census_ht_get_size(ht) == 1);
- census_ht_erase(ht, key);
- GPR_ASSERT(census_ht_get_size(ht) == 0);
- /* Erasing a key from an empty table should be noop. */
- census_ht_erase(ht, key);
- GPR_ASSERT(census_ht_get_size(ht) == 0);
- /* Erasing a non-existant key from a table should be noop. */
- census_ht_insert(ht, key, (void*)&val);
- key.val = 3;
- census_ht_insert(ht, key, (void*)&val);
- key.val = 9;
- census_ht_insert(ht, key, (void*)&val);
- GPR_ASSERT(census_ht_get_size(ht) == 3);
- key.val = 1;
- census_ht_erase(ht, key);
- /* size unchanged after deleting non-existant key. */
- GPR_ASSERT(census_ht_get_size(ht) == 3);
- /* size decrease by 1 after deleting an existant key. */
- key.val = 2;
- census_ht_erase(ht, key);
- GPR_ASSERT(census_ht_get_size(ht) == 2);
- }
- census_ht_destroy(ht);
-}
-
-static void test_insertion_and_deletion_with_high_collision_rate(void) {
- census_ht_option opt = {CENSUS_HT_POINTER, 13, &force_collision,
- &cmp_str_keys, NULL, NULL};
- census_ht* ht = census_ht_create(&opt);
- char key_str[1000][GPR_LTOA_MIN_BUFSIZE];
- uint64_t val = 0;
- unsigned i = 0;
- for (i = 0; i < 1000; i++) {
- census_ht_key key;
- key.ptr = key_str[i];
- gpr_ltoa(i, key_str[i]);
- census_ht_insert(ht, key, (void*)(&val));
- gpr_log(GPR_INFO, "%d\n", i);
- GPR_ASSERT(census_ht_get_size(ht) == (i + 1));
- }
- for (i = 0; i < 1000; i++) {
- census_ht_key key;
- key.ptr = key_str[i];
- census_ht_erase(ht, key);
- GPR_ASSERT(census_ht_get_size(ht) == (999 - i));
- }
- census_ht_destroy(ht);
-}
-
-static void test_table_with_string_key(void) {
- census_ht_option opt = {CENSUS_HT_POINTER, 7, &hash64,
- &cmp_str_keys, NULL, NULL};
- census_ht* ht = census_ht_create(&opt);
- const char* keys[] = {
- "k1", "a", "000", "apple", "banana_a_long_long_long_banana",
- "%$", "111", "foo", "b"};
- const int vals[] = {0, 1, 2, 3, 4, 5, 6, 7, 8};
- int i = 0;
- GPR_ASSERT(ht != NULL);
- GPR_ASSERT(census_ht_get_size(ht) == 0);
- for (i = 0; i < 9; i++) {
- census_ht_key key;
- key.ptr = (void*)(keys[i]);
- census_ht_insert(ht, key, (void*)(vals + i));
- }
- GPR_ASSERT(census_ht_get_size(ht) == 9);
- for (i = 0; i < 9; i++) {
- census_ht_key key;
- int* val_ptr;
- key.ptr = (void*)(keys[i]);
- val_ptr = static_cast<int*>(census_ht_find(ht, key));
- GPR_ASSERT(*val_ptr == vals[i]);
- }
- {
- /* inserts duplicate keys */
- census_ht_key key;
- int* val_ptr = NULL;
- key.ptr = (void*)(keys[2]);
- census_ht_insert(ht, key, (void*)(vals + 8));
- /* expect value to be over written by new insertion */
- GPR_ASSERT(census_ht_get_size(ht) == 9);
- val_ptr = static_cast<int*>(census_ht_find(ht, key));
- GPR_ASSERT(*val_ptr == vals[8]);
- }
- for (i = 0; i < 9; i++) {
- census_ht_key key;
- int* val_ptr;
- uint32_t expected_tbl_sz = 9 - i;
- GPR_ASSERT(census_ht_get_size(ht) == expected_tbl_sz);
- key.ptr = (void*)(keys[i]);
- val_ptr = static_cast<int*>(census_ht_find(ht, key));
- GPR_ASSERT(val_ptr != NULL);
- census_ht_erase(ht, key);
- GPR_ASSERT(census_ht_get_size(ht) == expected_tbl_sz - 1);
- val_ptr = static_cast<int*>(census_ht_find(ht, key));
- GPR_ASSERT(val_ptr == NULL);
- }
- census_ht_destroy(ht);
-}
-
-static void test_insertion_with_same_key(void) {
- census_ht_option opt = {CENSUS_HT_UINT64, 11, NULL, NULL, NULL, NULL};
- census_ht* ht = census_ht_create(&opt);
- census_ht_key key;
- const char vals[] = {'a', 'b', 'c'};
- char* val_ptr;
- key.val = 3;
- census_ht_insert(ht, key, (void*)&(vals[0]));
- GPR_ASSERT(census_ht_get_size(ht) == 1);
- val_ptr = (char*)census_ht_find(ht, key);
- GPR_ASSERT(val_ptr != NULL);
- GPR_ASSERT(*val_ptr == 'a');
- key.val = 4;
- val_ptr = (char*)census_ht_find(ht, key);
- GPR_ASSERT(val_ptr == NULL);
- key.val = 3;
- census_ht_insert(ht, key, (void*)&(vals[1]));
- GPR_ASSERT(census_ht_get_size(ht) == 1);
- val_ptr = (char*)census_ht_find(ht, key);
- GPR_ASSERT(val_ptr != NULL);
- GPR_ASSERT(*val_ptr == 'b');
- census_ht_insert(ht, key, (void*)&(vals[2]));
- GPR_ASSERT(census_ht_get_size(ht) == 1);
- val_ptr = (char*)census_ht_find(ht, key);
- GPR_ASSERT(val_ptr != NULL);
- GPR_ASSERT(*val_ptr == 'c');
- census_ht_destroy(ht);
-}
-
-int main(int argc, char** argv) {
- grpc_test_init(argc, argv);
- test_create_table();
- test_simple_add_and_erase();
- test_table_with_int_key();
- test_table_with_string_key();
- test_value_and_key_deleter();
- test_insertion_with_same_key();
- test_insertion_and_deletion_with_high_collision_rate();
- return 0;
-}
diff --git a/test/core/statistics/trace_test.cc b/test/core/statistics/trace_test.cc
deleted file mode 100644
index ecbfed09ee..0000000000
--- a/test/core/statistics/trace_test.cc
+++ /dev/null
@@ -1,239 +0,0 @@
-/*
- *
- * Copyright 2015 gRPC authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-#include <stdio.h>
-#include <string.h>
-
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/port_platform.h>
-#include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
-#include <grpc/support/time.h>
-#include <grpc/support/useful.h>
-#include "src/core/ext/census/census_interface.h"
-#include "src/core/ext/census/census_tracing.h"
-#include "test/core/util/test_config.h"
-
-/* Ensure all possible state transitions are called without causing problem */
-static void test_init_shutdown(void) {
- census_tracing_init();
- census_tracing_init();
- census_tracing_shutdown();
- census_tracing_shutdown();
- census_tracing_init();
-}
-
-static void test_start_op_generates_locally_unique_ids(void) {
-/* Check that ids generated within window size of 1000 are unique.
- TODO(hongyu): Replace O(n^2) duplicate detection algorithm with O(nlogn)
- algorithm. Enhance the test to larger window size (>10^6) */
-#define WINDOW_SIZE 1000
- census_op_id ids[WINDOW_SIZE];
- int i;
- census_init();
- for (i = 0; i < WINDOW_SIZE; i++) {
- ids[i] = census_tracing_start_op();
- census_tracing_end_op(ids[i]);
- }
- for (i = 0; i < WINDOW_SIZE - 1; i++) {
- int j;
- for (j = i + 1; j < WINDOW_SIZE; j++) {
- GPR_ASSERT(ids[i].upper != ids[j].upper || ids[i].lower != ids[j].lower);
- }
- }
-#undef WINDOW_SIZE
- census_shutdown();
-}
-
-static void test_get_trace_method_name(void) {
- census_op_id id;
- const char write_name[] = "service/method";
- census_tracing_init();
- id = census_tracing_start_op();
- census_add_method_tag(id, write_name);
- census_internal_lock_trace_store();
- {
- const char* read_name =
- census_get_trace_method_name(census_get_trace_obj_locked(id));
- GPR_ASSERT(strcmp(read_name, write_name) == 0);
- }
- census_internal_unlock_trace_store();
- census_tracing_shutdown();
-}
-
-typedef struct thd_arg {
- int num_done;
- gpr_cv done;
- gpr_mu mu;
-} thd_arg;
-
-static void mimic_trace_op_sequences(void* arg) {
- census_op_id id;
- const char* method_name = "service_foo/method_bar";
- int i = 0;
- const int num_iter = 200;
- thd_arg* args = (thd_arg*)arg;
- GPR_ASSERT(args != NULL);
- gpr_log(GPR_INFO, "Start trace op sequence thread.");
- for (i = 0; i < num_iter; i++) {
- id = census_tracing_start_op();
- census_add_method_tag(id, method_name);
- /* pretend doing 1us work. */
- gpr_sleep_until(GRPC_TIMEOUT_MICROS_TO_DEADLINE(1));
- census_tracing_end_op(id);
- }
- gpr_log(GPR_INFO, "End trace op sequence thread.");
- gpr_mu_lock(&args->mu);
- args->num_done += 1;
- gpr_cv_broadcast(&args->done);
- gpr_mu_unlock(&args->mu);
-}
-
-static void test_concurrency(void) {
-#define NUM_THREADS 1000
- gpr_thd_id tid[NUM_THREADS];
- int i = 0;
- thd_arg arg;
- arg.num_done = 0;
- gpr_mu_init(&arg.mu);
- gpr_cv_init(&arg.done);
- census_tracing_init();
- for (i = 0; i < NUM_THREADS; ++i) {
- gpr_thd_new(tid + i, mimic_trace_op_sequences, &arg, NULL);
- }
- gpr_mu_lock(&arg.mu);
- while (arg.num_done < NUM_THREADS) {
- gpr_log(GPR_INFO, "num done %d", arg.num_done);
- gpr_cv_wait(&arg.done, &arg.mu, gpr_inf_future(GPR_CLOCK_REALTIME));
- }
- gpr_mu_unlock(&arg.mu);
- census_tracing_shutdown();
-#undef NUM_THREADS
-}
-
-static void test_add_method_tag_to_unknown_op_id(void) {
- census_op_id unknown_id = {0xDEAD, 0xBEEF};
- int ret = 0;
- census_tracing_init();
- ret = census_add_method_tag(unknown_id, "foo");
- GPR_ASSERT(ret != 0);
- census_tracing_shutdown();
-}
-
-static void test_trace_print(void) {
- census_op_id id;
- int i;
- const char* annotation_txt[4] = {"abc", "", "$%^ *()_"};
- char long_txt[CENSUS_MAX_ANNOTATION_LENGTH + 10];
-
- memset(long_txt, 'a', GPR_ARRAY_SIZE(long_txt));
- long_txt[CENSUS_MAX_ANNOTATION_LENGTH + 9] = '\0';
- annotation_txt[3] = long_txt;
-
- census_tracing_init();
- id = census_tracing_start_op();
- /* Adds large number of annotations to each trace */
- for (i = 0; i < 1000; i++) {
- census_tracing_print(id,
- annotation_txt[i % GPR_ARRAY_SIZE(annotation_txt)]);
- }
- census_tracing_end_op(id);
-
- census_tracing_shutdown();
-}
-
-/* Returns 1 if two ids are equal, otherwise returns 0. */
-static int ids_equal(census_op_id id1, census_op_id id2) {
- return (id1.upper == id2.upper) && (id1.lower == id2.lower);
-}
-
-static void test_get_active_ops(void) {
- census_op_id id_1, id_2, id_3;
- census_trace_obj** active_ops;
- const char* annotation_txt[] = {"annotation 1", "a2"};
- int i = 0;
- int n = 0;
-
- gpr_log(GPR_INFO, "test_get_active_ops");
- census_tracing_init();
- /* No active ops before calling start_op(). */
- active_ops = census_get_active_ops(&n);
- GPR_ASSERT(active_ops == NULL);
- GPR_ASSERT(n == 0);
-
- /* Starts one op */
- id_1 = census_tracing_start_op();
- census_add_method_tag(id_1, "foo_1");
- active_ops = census_get_active_ops(&n);
- GPR_ASSERT(active_ops != NULL);
- GPR_ASSERT(n == 1);
- GPR_ASSERT(ids_equal(active_ops[0]->id, id_1));
- census_trace_obj_destroy(active_ops[0]);
- gpr_free(active_ops);
- active_ops = NULL;
-
- /* Start the second and the third ops */
- id_2 = census_tracing_start_op();
- census_add_method_tag(id_2, "foo_2");
- id_3 = census_tracing_start_op();
- census_add_method_tag(id_3, "foo_3");
-
- active_ops = census_get_active_ops(&n);
- GPR_ASSERT(n == 3);
- for (i = 0; i < 3; i++) {
- census_trace_obj_destroy(active_ops[i]);
- }
- gpr_free(active_ops);
- active_ops = NULL;
-
- /* End the second op and add annotations to the third ops */
- census_tracing_end_op(id_2);
- census_tracing_print(id_3, annotation_txt[0]);
- census_tracing_print(id_3, annotation_txt[1]);
-
- active_ops = census_get_active_ops(&n);
- GPR_ASSERT(active_ops != NULL);
- GPR_ASSERT(n == 2);
- for (i = 0; i < 2; i++) {
- census_trace_obj_destroy(active_ops[i]);
- }
- gpr_free(active_ops);
- active_ops = NULL;
-
- /* End all ops. */
- census_tracing_end_op(id_1);
- census_tracing_end_op(id_3);
- active_ops = census_get_active_ops(&n);
- GPR_ASSERT(active_ops == NULL);
- GPR_ASSERT(n == 0);
-
- census_tracing_shutdown();
-}
-
-int main(int argc, char** argv) {
- grpc_test_init(argc, argv);
- test_init_shutdown();
- test_start_op_generates_locally_unique_ids();
- test_get_trace_method_name();
- test_concurrency();
- test_add_method_tag_to_unknown_op_id();
- test_trace_print();
- test_get_active_ops();
- return 0;
-}
diff --git a/test/core/statistics/window_stats_test.cc b/test/core/statistics/window_stats_test.cc
deleted file mode 100644
index b17c61a47b..0000000000
--- a/test/core/statistics/window_stats_test.cc
+++ /dev/null
@@ -1,304 +0,0 @@
-/*
- *
- * Copyright 2015 gRPC authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-#include "src/core/ext/census/window_stats.h"
-#include <grpc/support/log.h>
-#include <grpc/support/time.h>
-#include <stdlib.h>
-#include "test/core/util/test_config.h"
-
-typedef struct test_stat {
- double value1;
- int value2;
-} test_stat;
-
-void add_test_stat(void* base, const void* addme) {
- test_stat* b = (test_stat*)base;
- const test_stat* a = (const test_stat*)addme;
- b->value1 += a->value1;
- b->value2 += a->value2;
-}
-
-void add_proportion_test_stat(double p, void* base, const void* addme) {
- test_stat* b = (test_stat*)base;
- const test_stat* a = (const test_stat*)addme;
- b->value1 += p * a->value1;
- b->value2 += p * a->value2 + 0.5; /* +0.5 is poor mans (no c99) round() */
-}
-
-const struct census_window_stats_stat_info kMyStatInfo = {
- sizeof(test_stat), NULL, add_test_stat, add_proportion_test_stat};
-
-const gpr_timespec kMilliSecInterval = {0, 1000000, GPR_CLOCK_MONOTONIC};
-const gpr_timespec kSecInterval = {1, 0, GPR_CLOCK_MONOTONIC};
-const gpr_timespec kMinInterval = {60, 0 GPR_CLOCK_MONOTONIC};
-const gpr_timespec kHourInterval = {3600, 0, GPR_CLOCK_MONOTONIC};
-const gpr_timespec kPrimeInterval = {0, 101, GPR_CLOCK_MONOTONIC};
-
-static int compare_double(double a, double b, double epsilon) {
- if (a >= b) {
- return (a > b + epsilon) ? 1 : 0;
- } else {
- return (b > a + epsilon) ? -1 : 0;
- }
-}
-
-void empty_test(void) {
- census_window_stats_sums result;
- const gpr_timespec zero = {0, 0, GPR_CLOCK_MONOTONIC};
- test_stat sum;
- struct census_window_stats* stats =
- census_window_stats_create(1, &kMinInterval, 5, &kMyStatInfo);
- GPR_ASSERT(stats != NULL);
- result.statistic = &sum;
- census_window_stats_get_sums(stats, zero, &result);
- GPR_ASSERT(result.count == 0 && sum.value1 == 0 && sum.value2 == 0);
- census_window_stats_get_sums(stats, gpr_now(GPR_CLOCK_REALTIME), &result);
- GPR_ASSERT(result.count == 0 && sum.value1 == 0 && sum.value2 == 0);
- census_window_stats_destroy(stats);
-}
-
-void one_interval_test(void) {
- const test_stat value = {0.1, 4};
- const double epsilon = 1e10 - 11;
- gpr_timespec when = {0, 0, GPR_CLOCK_MONOTONIC};
- census_window_stats_sums result;
- test_stat sum;
- /* granularity == 5 so width of internal windows should be 12s */
- struct census_window_stats* stats =
- census_window_stats_create(1, &kMinInterval, 5, &kMyStatInfo);
- GPR_ASSERT(stats != NULL);
- /* phase 1: insert a single value at t=0s, and check that various measurement
- times result in expected output values */
- census_window_stats_add(stats, when, &value);
- result.statistic = &sum;
- /* when = 0s, values extracted should be everything */
- census_window_stats_get_sums(stats, when, &result);
- GPR_ASSERT(compare_double(result.count, 1, epsilon) == 0 &&
- compare_double(sum.value1, value.value1, epsilon) == 0 &&
- sum.value2 == value.value2);
- /* when = 6,30,60s, should be all of the data */
- when.tv_sec = 6;
- census_window_stats_get_sums(stats, when, &result);
- GPR_ASSERT(compare_double(result.count, 1.0, epsilon) == 0 &&
- compare_double(sum.value1, value.value1, epsilon) == 0 &&
- sum.value2 == value.value2);
- /* when == 30s,60s, should be all of the data */
- when.tv_sec = 30;
- census_window_stats_get_sums(stats, when, &result);
- GPR_ASSERT(compare_double(result.count, 1.0, epsilon) == 0 &&
- compare_double(sum.value1, value.value1, epsilon) == 0 &&
- sum.value2 == value.value2);
- when.tv_sec = 60;
- census_window_stats_get_sums(stats, when, &result);
- GPR_ASSERT(compare_double(result.count, 1.0, epsilon) == 0 &&
- compare_double(sum.value1, value.value1, epsilon) == 0 &&
- sum.value2 == value.value2);
- /* when = 66s, should be half (only take half of bottom bucket) */
- when.tv_sec = 66;
- census_window_stats_get_sums(stats, when, &result);
- GPR_ASSERT(compare_double(result.count, 0.5, epsilon) == 0 &&
- compare_double(sum.value1, value.value1 / 2, epsilon) == 0 &&
- sum.value2 == value.value2 / 2);
- /* when = 72s, should be completely out of window */
- when.tv_sec = 72;
- census_window_stats_get_sums(stats, when, &result);
- GPR_ASSERT(compare_double(result.count, 0, epsilon) == 0 &&
- compare_double(sum.value1, 0, epsilon) == 0 && sum.value2 == 0);
-
- /* phase 2: tear down and do as before, but inserting two values */
- census_window_stats_destroy(stats);
- stats = census_window_stats_create(1, &kMinInterval, 5, &kMyStatInfo);
- GPR_ASSERT(stats != NULL);
- when.tv_sec = 0;
- when.tv_nsec = 17;
- census_window_stats_add(stats, when, &value);
- when.tv_sec = 1;
- census_window_stats_add(stats, when, &value);
- when.tv_sec = 0;
- census_window_stats_get_sums(stats, when, &result);
- GPR_ASSERT(compare_double(result.count, 0, epsilon) == 0 &&
- compare_double(sum.value1, 0, epsilon) == 0 && sum.value2 == 0);
- /* time = 3s, 30s, should get all data */
- when.tv_sec = 3;
- census_window_stats_get_sums(stats, when, &result);
- GPR_ASSERT(compare_double(result.count, 2, epsilon) == 0 &&
- compare_double(sum.value1, 2 * value.value1, epsilon) == 0 &&
- sum.value2 == 2 * value.value2);
- when.tv_sec = 30;
- census_window_stats_get_sums(stats, when, &result);
- GPR_ASSERT(compare_double(result.count, 2, epsilon) == 0 &&
- compare_double(sum.value1, 2 * value.value1, epsilon) == 0 &&
- sum.value2 == 2 * value.value2);
-
- /* phase 3: insert into "middle" bucket, and force a shift, pushing out
- the two values in bottom bucket */
- when.tv_sec = 30;
- census_window_stats_add(stats, when, &value);
- when.tv_sec = 76;
- census_window_stats_add(stats, when, &value);
- when.tv_sec = 0;
- census_window_stats_get_sums(stats, when, &result);
- GPR_ASSERT(result.count == 0 && sum.value1 == 0 && sum.value2 == 0);
- when.tv_sec = 30;
- census_window_stats_get_sums(stats, when, &result);
- /* half of the single value in the 30 second bucket */
- GPR_ASSERT(compare_double(result.count, 0.5, epsilon) == 0 &&
- compare_double(sum.value1, value.value1 / 2, epsilon) == 0 &&
- sum.value2 == value.value2 / 2);
- when.tv_sec = 74;
- census_window_stats_get_sums(stats, when, &result);
- /* half of the 76 second bucket, all of the 30 second bucket */
- GPR_ASSERT(compare_double(result.count, 1.5, epsilon) == 0 &&
- compare_double(sum.value1, value.value1 * 1.5, epsilon) == 0 &&
- sum.value2 == value.value2 / 2 * 3);
- when.tv_sec = 76;
- census_window_stats_get_sums(stats, when, &result);
- /* >=76s, get all of the 76 second bucket, all of the 30 second bucket */
- GPR_ASSERT(compare_double(result.count, 2, epsilon) == 0 &&
- compare_double(sum.value1, value.value1 * 2, epsilon) == 0 &&
- sum.value2 == value.value2 * 2);
- when.tv_sec = 78;
- census_window_stats_get_sums(stats, when, &result);
- /* half of the 76 second bucket, all of the 30 second bucket */
- GPR_ASSERT(compare_double(result.count, 2, epsilon) == 0 &&
- compare_double(sum.value1, value.value1 * 2, epsilon) == 0 &&
- sum.value2 == value.value2 * 2);
- census_window_stats_destroy(stats);
-}
-
-void many_interval_test(void) {
- gpr_timespec intervals[4];
- const test_stat value = {123.45, 8};
- const double epsilon = 1e10 - 11;
- gpr_timespec when = {3600, 0, GPR_CLOCK_MONOTONIC}; /* one hour */
- census_window_stats_sums result[4];
- test_stat sums[4];
- int i;
- struct census_window_stats* stats;
- intervals[0] = kMilliSecInterval;
- intervals[1] = kSecInterval;
- intervals[2] = kMinInterval;
- intervals[3] = kHourInterval;
- for (i = 0; i < 4; i++) {
- result[i].statistic = &sums[i];
- }
- stats = census_window_stats_create(4, intervals, 100, &kMyStatInfo);
- GPR_ASSERT(stats != NULL);
- /* add 10 stats within half of each time range */
- for (i = 0; i < 10; i++) {
- when.tv_sec += 180; /* covers 30 min of one hour range */
- census_window_stats_add(stats, when, &value);
- }
- when.tv_sec += 120;
- for (i = 0; i < 10; i++) {
- when.tv_sec += 3; /* covers 30 sec of one minute range */
- census_window_stats_add(stats, when, &value);
- }
- when.tv_sec += 2;
- for (i = 0; i < 10; i++) {
- when.tv_nsec += 50000000; /* covers 0.5s of 1s range */
- census_window_stats_add(stats, when, &value);
- }
- when.tv_nsec += 2000000;
- for (i = 0; i < 10; i++) {
- when.tv_nsec += 50000; /* covers 0.5 ms of 1 ms range */
- census_window_stats_add(stats, when, &value);
- }
- when.tv_nsec += 20000;
- census_window_stats_get_sums(stats, when, result);
- GPR_ASSERT(compare_double(result[0].count, 10, epsilon) == 0 &&
- compare_double(sums[0].value1, value.value1 * 10, epsilon) == 0 &&
- sums[0].value2 == value.value2 * 10);
- when.tv_nsec += 20000000;
- census_window_stats_get_sums(stats, when, result);
- GPR_ASSERT(compare_double(result[1].count, 20, epsilon) == 0 &&
- compare_double(sums[1].value1, value.value1 * 20, epsilon) == 0 &&
- sums[1].value2 == value.value2 * 20);
- when.tv_sec += 2;
- census_window_stats_get_sums(stats, when, result);
- GPR_ASSERT(compare_double(result[2].count, 30, epsilon) == 0 &&
- compare_double(sums[2].value1, value.value1 * 30, epsilon) == 0 &&
- sums[2].value2 == value.value2 * 30);
- when.tv_sec += 72;
- census_window_stats_get_sums(stats, when, result);
- GPR_ASSERT(compare_double(result[3].count, 40, epsilon) == 0 &&
- compare_double(sums[3].value1, value.value1 * 40, epsilon) == 0 &&
- sums[3].value2 == value.value2 * 40);
- census_window_stats_destroy(stats);
-}
-
-void rolling_time_test(void) {
- const test_stat value = {0.1, 4};
- gpr_timespec when = {0, 0, GPR_CLOCK_MONOTONIC};
- census_window_stats_sums result;
- test_stat sum;
- int i;
- gpr_timespec increment = {0, 0, GPR_CLOCK_MONOTONIC};
- struct census_window_stats* stats =
- census_window_stats_create(1, &kMinInterval, 7, &kMyStatInfo);
- GPR_ASSERT(stats != NULL);
- srand(gpr_now(GPR_CLOCK_REALTIME).tv_nsec);
- for (i = 0; i < 100000; i++) {
- increment.tv_nsec = rand() % 100000000; /* up to 1/10th second */
- when = gpr_time_add(when, increment);
- census_window_stats_add(stats, when, &value);
- }
- result.statistic = &sum;
- census_window_stats_get_sums(stats, when, &result);
- /* With 1/20th second average between samples, we expect 20*60 = 1200
- samples on average. Make sure we are within 100 of that. */
- GPR_ASSERT(compare_double(result.count, 1200, 100) == 0);
- census_window_stats_destroy(stats);
-}
-
-#include <stdio.h>
-void infinite_interval_test(void) {
- const test_stat value = {0.1, 4};
- gpr_timespec when = {0, 0, GPR_CLOCK_MONOTONIC};
- census_window_stats_sums result;
- test_stat sum;
- int i;
- const int count = 100000;
- gpr_timespec increment = {0, 0, GPR_CLOCK_MONOTONIC};
- gpr_timespec temp = gpr_inf_future(GPR_CLOCK_REALTIME);
- struct census_window_stats* stats = census_window_stats_create(
- 1, &gpr_inf_future(GPR_CLOCK_REALTIME), 10, &kMyStatInfo);
- srand(gpr_now(GPR_CLOCK_REALTIME).tv_nsec);
- for (i = 0; i < count; i++) {
- increment.tv_sec = rand() % 21600; /* 6 hours */
- when = gpr_time_add(when, increment);
- census_window_stats_add(stats, when, &value);
- }
- result.statistic = &sum;
- census_window_stats_get_sums(stats, when, &result);
- /* The only thing it makes sense to compare for "infinite" periods is the
- total counts */
- GPR_ASSERT(result.count == count);
- census_window_stats_destroy(stats);
-}
-
-int main(int argc, char* argv[]) {
- grpc_test_init(argc, argv);
- empty_test();
- one_interval_test();
- many_interval_test();
- rolling_time_test();
- infinite_interval_test();
- return 0;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-16 19:48:00 +0000