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Add mallctl for prof stats fetching

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This commit is contained in:
Yinan Zhang
2020-08-21 14:37:34 -07:00
parent 40fa4d29d3
commit 54f3351f1f
2 changed files with 215 additions and 24 deletions
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69
test/unit/prof_stats.c
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@@ -1,18 +1,33 @@
#include "test/jemalloc_test.h"
#include "jemalloc/internal/prof_stats.h"
static void
test_wrapper(szind_t ind) {
#define N_PTRS 3
#define MALLCTL_STR_LEN 64
assert(opt_prof && opt_prof_stats);
tsd_t *tsd = tsd_fetch();
char mallctl_live_str[MALLCTL_STR_LEN];
char mallctl_accum_str[MALLCTL_STR_LEN];
if (ind < SC_NBINS) {
malloc_snprintf(mallctl_live_str, MALLCTL_STR_LEN,
"prof.stats.bins.%u.live", (unsigned)ind);
malloc_snprintf(mallctl_accum_str, MALLCTL_STR_LEN,
"prof.stats.bins.%u.accum", (unsigned)ind);
} else {
malloc_snprintf(mallctl_live_str, MALLCTL_STR_LEN,
"prof.stats.lextents.%u.live", (unsigned)(ind - SC_NBINS));
malloc_snprintf(mallctl_accum_str, MALLCTL_STR_LEN,
"prof.stats.lextents.%u.accum", (unsigned)(ind - SC_NBINS));
}
prof_stats_t live_stats_orig;
prof_stats_get_live(tsd, ind, &live_stats_orig);
prof_stats_t accum_stats_orig;
prof_stats_get_accum(tsd, ind, &accum_stats_orig);
size_t stats_len = 2 * sizeof(uint64_t);
uint64_t live_stats_orig[2];
assert_d_eq(mallctl(mallctl_live_str, &live_stats_orig, &stats_len,
NULL, 0), 0, "");
uint64_t accum_stats_orig[2];
assert_d_eq(mallctl(mallctl_accum_str, &accum_stats_orig, &stats_len,
NULL, 0), 0, "");
void *ptrs[N_PTRS];
@@ -30,17 +45,19 @@ test_wrapper(szind_t ind) {
live_count++;
accum_req_sum += sz;
accum_count++;
prof_stats_t live_stats;
prof_stats_get_live(tsd, ind, &live_stats);
expect_u64_eq(live_stats.req_sum - live_stats_orig.req_sum,
uint64_t live_stats[2];
assert_d_eq(mallctl(mallctl_live_str, &live_stats, &stats_len,
NULL, 0), 0, "");
expect_u64_eq(live_stats[0] - live_stats_orig[0],
live_req_sum, "");
expect_u64_eq(live_stats.count - live_stats_orig.count,
expect_u64_eq(live_stats[1] - live_stats_orig[1],
live_count, "");
prof_stats_t accum_stats;
prof_stats_get_accum(tsd, ind, &accum_stats);
expect_u64_eq(accum_stats.req_sum - accum_stats_orig.req_sum,
uint64_t accum_stats[2];
assert_d_eq(mallctl(mallctl_accum_str, &accum_stats, &stats_len,
NULL, 0), 0, "");
expect_u64_eq(accum_stats[0] - accum_stats_orig[0],
accum_req_sum, "");
expect_u64_eq(accum_stats.count - accum_stats_orig.count,
expect_u64_eq(accum_stats[1] - accum_stats_orig[1],
accum_count, "");
}
@@ -49,19 +66,22 @@ test_wrapper(szind_t ind) {
free(ptrs[i]);
live_req_sum -= sz;
live_count--;
prof_stats_t live_stats;
prof_stats_get_live(tsd, ind, &live_stats);
expect_u64_eq(live_stats.req_sum - live_stats_orig.req_sum,
uint64_t live_stats[2];
assert_d_eq(mallctl(mallctl_live_str, &live_stats, &stats_len,
NULL, 0), 0, "");
expect_u64_eq(live_stats[0] - live_stats_orig[0],
live_req_sum, "");
expect_u64_eq(live_stats.count - live_stats_orig.count,
expect_u64_eq(live_stats[1] - live_stats_orig[1],
live_count, "");
prof_stats_t accum_stats;
prof_stats_get_accum(tsd, ind, &accum_stats);
expect_u64_eq(accum_stats.req_sum - accum_stats_orig.req_sum,
uint64_t accum_stats[2];
assert_d_eq(mallctl(mallctl_accum_str, &accum_stats, &stats_len,
NULL, 0), 0, "");
expect_u64_eq(accum_stats[0] - accum_stats_orig[0],
accum_req_sum, "");
expect_u64_eq(accum_stats.count - accum_stats_orig.count,
expect_u64_eq(accum_stats[1] - accum_stats_orig[1],
accum_count, "");
}
#undef MALLCTL_STR_LEN
#undef N_PTRS
}
@@ -70,6 +90,9 @@ TEST_BEGIN(test_prof_stats) {
test_wrapper(0);
test_wrapper(1);
test_wrapper(2);
test_wrapper(SC_NBINS);
test_wrapper(SC_NBINS + 1);
test_wrapper(SC_NBINS + 2);
}
TEST_END