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Add partial name-to-mib functionality

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This commit is contained in:
Yinan Zhang
2020-08-13 11:28:22 -07:00
parent f2e1a5be77
commit 006dd0414e
3 changed files with 89 additions and 1 deletions
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57
test/unit/mallctl.c
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@@ -1,5 +1,6 @@
#include "test/jemalloc_test.h"
#include "jemalloc/internal/ctl.h"
#include "jemalloc/internal/hook.h"
#include "jemalloc/internal/util.h"
@@ -131,6 +132,61 @@ TEST_BEGIN(test_mallctlnametomib_short_name) {
}
TEST_END
TEST_BEGIN(test_mallctlmibnametomib) {
size_t mib[4];
size_t miblen = 4;
uint32_t result, result_ref;
size_t len_result = sizeof(uint32_t);
tsd_t *tsd = tsd_fetch();
/* Error cases */
assert_d_eq(ctl_mibnametomib(tsd, mib, 0, "bob", &miblen), ENOENT, "");
assert_zu_eq(miblen, 4, "");
assert_d_eq(ctl_mibnametomib(tsd, mib, 0, "9999", &miblen), ENOENT, "");
assert_zu_eq(miblen, 4, "");
/* Valid case. */
assert_d_eq(ctl_mibnametomib(tsd, mib, 0, "arenas", &miblen), 0, "");
assert_zu_eq(miblen, 1, "");
miblen = 4;
assert_d_eq(ctl_mibnametomib(tsd, mib, 1, "bin", &miblen), 0, "");
assert_zu_eq(miblen, 2, "");
expect_d_eq(mallctlbymib(mib, miblen, &result, &len_result, NULL, 0),
ENOENT, "mallctlbymib() should fail on partial path");
/* Error cases. */
miblen = 4;
assert_d_eq(ctl_mibnametomib(tsd, mib, 2, "bob", &miblen), ENOENT, "");
assert_zu_eq(miblen, 4, "");
assert_d_eq(ctl_mibnametomib(tsd, mib, 2, "9999", &miblen), ENOENT, "");
assert_zu_eq(miblen, 4, "");
/* Valid case. */
assert_d_eq(ctl_mibnametomib(tsd, mib, 2, "0", &miblen), 0, "");
assert_zu_eq(miblen, 3, "");
expect_d_eq(mallctlbymib(mib, miblen, &result, &len_result, NULL, 0),
ENOENT, "mallctlbymib() should fail on partial path");
/* Error cases. */
miblen = 4;
assert_d_eq(ctl_mibnametomib(tsd, mib, 3, "bob", &miblen), ENOENT, "");
assert_zu_eq(miblen, 4, "");
assert_d_eq(ctl_mibnametomib(tsd, mib, 3, "9999", &miblen), ENOENT, "");
assert_zu_eq(miblen, 4, "");
/* Valid case. */
assert_d_eq(ctl_mibnametomib(tsd, mib, 3, "nregs", &miblen), 0, "");
assert_zu_eq(miblen, 4, "");
assert_d_eq(mallctlbymib(mib, miblen, &result, &len_result, NULL, 0),
0, "Unexpected mallctlbymib() failure");
assert_d_eq(mallctl("arenas.bin.0.nregs", &result_ref, &len_result,
NULL, 0), 0, "Unexpected mallctl() failure");
expect_zu_eq(result, result_ref,
"mallctlbymib() and mallctl() returned different result");
}
TEST_END
TEST_BEGIN(test_mallctl_config) {
#define TEST_MALLCTL_CONFIG(config, t) do { \
t oldval; \
@@ -1121,6 +1177,7 @@ main(void) {
test_mallctl_read_write,
test_mallctlnametomib_short_mib,
test_mallctlnametomib_short_name,
test_mallctlmibnametomib,
test_mallctl_config,
test_mallctl_opt,
test_manpage_example,