4d434adb14
Make dss non-optional on all platforms which support sbrk(2). Fix the "arena.<i>.dss" mallctl to return an error if "primary" or "secondary" precedence is specified, but sbrk(2) is not supported.
428 lines
12 KiB
C
428 lines
12 KiB
C
#include "test/jemalloc_test.h"
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TEST_BEGIN(test_mallctl_errors)
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{
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uint64_t epoch;
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size_t sz;
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assert_d_eq(mallctl("no_such_name", NULL, NULL, NULL, 0), ENOENT,
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"mallctl() should return ENOENT for non-existent names");
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assert_d_eq(mallctl("version", NULL, NULL, "0.0.0", strlen("0.0.0")),
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EPERM, "mallctl() should return EPERM on attempt to write "
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"read-only value");
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assert_d_eq(mallctl("epoch", NULL, NULL, &epoch, sizeof(epoch)-1),
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EINVAL, "mallctl() should return EINVAL for input size mismatch");
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assert_d_eq(mallctl("epoch", NULL, NULL, &epoch, sizeof(epoch)+1),
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EINVAL, "mallctl() should return EINVAL for input size mismatch");
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sz = sizeof(epoch)-1;
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assert_d_eq(mallctl("epoch", &epoch, &sz, NULL, 0), EINVAL,
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"mallctl() should return EINVAL for output size mismatch");
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sz = sizeof(epoch)+1;
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assert_d_eq(mallctl("epoch", &epoch, &sz, NULL, 0), EINVAL,
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"mallctl() should return EINVAL for output size mismatch");
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}
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TEST_END
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TEST_BEGIN(test_mallctlnametomib_errors)
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{
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size_t mib[1];
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size_t miblen;
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miblen = sizeof(mib)/sizeof(size_t);
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assert_d_eq(mallctlnametomib("no_such_name", mib, &miblen), ENOENT,
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"mallctlnametomib() should return ENOENT for non-existent names");
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}
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TEST_END
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TEST_BEGIN(test_mallctlbymib_errors)
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{
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uint64_t epoch;
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size_t sz;
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size_t mib[1];
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size_t miblen;
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miblen = sizeof(mib)/sizeof(size_t);
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assert_d_eq(mallctlnametomib("version", mib, &miblen), 0,
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"Unexpected mallctlnametomib() failure");
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assert_d_eq(mallctlbymib(mib, miblen, NULL, NULL, "0.0.0",
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strlen("0.0.0")), EPERM, "mallctl() should return EPERM on "
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"attempt to write read-only value");
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miblen = sizeof(mib)/sizeof(size_t);
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assert_d_eq(mallctlnametomib("epoch", mib, &miblen), 0,
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"Unexpected mallctlnametomib() failure");
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assert_d_eq(mallctlbymib(mib, miblen, NULL, NULL, &epoch,
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sizeof(epoch)-1), EINVAL,
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"mallctlbymib() should return EINVAL for input size mismatch");
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assert_d_eq(mallctlbymib(mib, miblen, NULL, NULL, &epoch,
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sizeof(epoch)+1), EINVAL,
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"mallctlbymib() should return EINVAL for input size mismatch");
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sz = sizeof(epoch)-1;
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assert_d_eq(mallctlbymib(mib, miblen, &epoch, &sz, NULL, 0), EINVAL,
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"mallctlbymib() should return EINVAL for output size mismatch");
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sz = sizeof(epoch)+1;
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assert_d_eq(mallctlbymib(mib, miblen, &epoch, &sz, NULL, 0), EINVAL,
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"mallctlbymib() should return EINVAL for output size mismatch");
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}
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TEST_END
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TEST_BEGIN(test_mallctl_read_write)
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{
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uint64_t old_epoch, new_epoch;
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size_t sz = sizeof(old_epoch);
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/* Blind. */
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assert_d_eq(mallctl("epoch", NULL, NULL, NULL, 0), 0,
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"Unexpected mallctl() failure");
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assert_zu_eq(sz, sizeof(old_epoch), "Unexpected output size");
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/* Read. */
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assert_d_eq(mallctl("epoch", &old_epoch, &sz, NULL, 0), 0,
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"Unexpected mallctl() failure");
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assert_zu_eq(sz, sizeof(old_epoch), "Unexpected output size");
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/* Write. */
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assert_d_eq(mallctl("epoch", NULL, NULL, &new_epoch, sizeof(new_epoch)),
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0, "Unexpected mallctl() failure");
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assert_zu_eq(sz, sizeof(old_epoch), "Unexpected output size");
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/* Read+write. */
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assert_d_eq(mallctl("epoch", &old_epoch, &sz, &new_epoch,
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sizeof(new_epoch)), 0, "Unexpected mallctl() failure");
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assert_zu_eq(sz, sizeof(old_epoch), "Unexpected output size");
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}
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TEST_END
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TEST_BEGIN(test_mallctlnametomib_short_mib)
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{
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size_t mib[4];
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size_t miblen;
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miblen = 3;
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mib[3] = 42;
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assert_d_eq(mallctlnametomib("arenas.bin.0.nregs", mib, &miblen), 0,
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"Unexpected mallctlnametomib() failure");
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assert_zu_eq(miblen, 3, "Unexpected mib output length");
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assert_zu_eq(mib[3], 42,
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"mallctlnametomib() wrote past the end of the input mib");
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}
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TEST_END
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TEST_BEGIN(test_mallctl_config)
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{
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#define TEST_MALLCTL_CONFIG(config) do { \
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bool oldval; \
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size_t sz = sizeof(oldval); \
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assert_d_eq(mallctl("config."#config, &oldval, &sz, NULL, 0), \
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0, "Unexpected mallctl() failure"); \
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assert_b_eq(oldval, config_##config, "Incorrect config value"); \
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assert_zu_eq(sz, sizeof(oldval), "Unexpected output size"); \
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} while (0)
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TEST_MALLCTL_CONFIG(debug);
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TEST_MALLCTL_CONFIG(fill);
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TEST_MALLCTL_CONFIG(lazy_lock);
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TEST_MALLCTL_CONFIG(mremap);
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TEST_MALLCTL_CONFIG(munmap);
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TEST_MALLCTL_CONFIG(prof);
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TEST_MALLCTL_CONFIG(prof_libgcc);
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TEST_MALLCTL_CONFIG(prof_libunwind);
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TEST_MALLCTL_CONFIG(stats);
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TEST_MALLCTL_CONFIG(tcache);
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TEST_MALLCTL_CONFIG(tls);
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TEST_MALLCTL_CONFIG(utrace);
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TEST_MALLCTL_CONFIG(valgrind);
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TEST_MALLCTL_CONFIG(xmalloc);
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#undef TEST_MALLCTL_CONFIG
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}
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TEST_END
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TEST_BEGIN(test_mallctl_opt)
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{
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bool config_always = true;
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#define TEST_MALLCTL_OPT(t, opt, config) do { \
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t oldval; \
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size_t sz = sizeof(oldval); \
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int expected = config_##config ? 0 : ENOENT; \
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int result = mallctl("opt."#opt, &oldval, &sz, NULL, 0); \
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assert_d_eq(result, expected, \
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"Unexpected mallctl() result for opt."#opt); \
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assert_zu_eq(sz, sizeof(oldval), "Unexpected output size"); \
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} while (0)
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TEST_MALLCTL_OPT(bool, abort, always);
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TEST_MALLCTL_OPT(size_t, lg_chunk, always);
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TEST_MALLCTL_OPT(const char *, dss, always);
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TEST_MALLCTL_OPT(size_t, narenas, always);
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TEST_MALLCTL_OPT(ssize_t, lg_dirty_mult, always);
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TEST_MALLCTL_OPT(bool, stats_print, always);
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TEST_MALLCTL_OPT(bool, junk, fill);
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TEST_MALLCTL_OPT(size_t, quarantine, fill);
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TEST_MALLCTL_OPT(bool, redzone, fill);
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TEST_MALLCTL_OPT(bool, zero, fill);
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TEST_MALLCTL_OPT(bool, utrace, utrace);
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TEST_MALLCTL_OPT(bool, valgrind, valgrind);
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TEST_MALLCTL_OPT(bool, xmalloc, xmalloc);
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TEST_MALLCTL_OPT(bool, tcache, tcache);
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TEST_MALLCTL_OPT(size_t, lg_tcache_max, tcache);
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TEST_MALLCTL_OPT(bool, prof, prof);
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TEST_MALLCTL_OPT(const char *, prof_prefix, prof);
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TEST_MALLCTL_OPT(bool, prof_active, prof);
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TEST_MALLCTL_OPT(ssize_t, lg_prof_sample, prof);
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TEST_MALLCTL_OPT(bool, prof_accum, prof);
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TEST_MALLCTL_OPT(ssize_t, lg_prof_interval, prof);
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TEST_MALLCTL_OPT(bool, prof_gdump, prof);
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TEST_MALLCTL_OPT(bool, prof_final, prof);
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TEST_MALLCTL_OPT(bool, prof_leak, prof);
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#undef TEST_MALLCTL_OPT
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}
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TEST_END
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TEST_BEGIN(test_manpage_example)
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{
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unsigned nbins, i;
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size_t mib[4];
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size_t len, miblen;
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len = sizeof(nbins);
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assert_d_eq(mallctl("arenas.nbins", &nbins, &len, NULL, 0), 0,
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"Unexpected mallctl() failure");
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miblen = 4;
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assert_d_eq(mallctlnametomib("arenas.bin.0.size", mib, &miblen), 0,
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"Unexpected mallctlnametomib() failure");
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for (i = 0; i < nbins; i++) {
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size_t bin_size;
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mib[2] = i;
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len = sizeof(bin_size);
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assert_d_eq(mallctlbymib(mib, miblen, &bin_size, &len, NULL, 0),
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0, "Unexpected mallctlbymib() failure");
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/* Do something with bin_size... */
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}
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}
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TEST_END
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TEST_BEGIN(test_thread_arena)
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{
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unsigned arena_old, arena_new, narenas;
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size_t sz = sizeof(unsigned);
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assert_d_eq(mallctl("arenas.narenas", &narenas, &sz, NULL, 0), 0,
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"Unexpected mallctl() failure");
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assert_u_eq(narenas, opt_narenas, "Number of arenas incorrect");
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arena_new = narenas - 1;
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assert_d_eq(mallctl("thread.arena", &arena_old, &sz, &arena_new,
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sizeof(unsigned)), 0, "Unexpected mallctl() failure");
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arena_new = 0;
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assert_d_eq(mallctl("thread.arena", &arena_old, &sz, &arena_new,
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sizeof(unsigned)), 0, "Unexpected mallctl() failure");
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}
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TEST_END
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TEST_BEGIN(test_arena_i_purge)
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{
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unsigned narenas;
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size_t sz = sizeof(unsigned);
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size_t mib[3];
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size_t miblen = 3;
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assert_d_eq(mallctl("arena.0.purge", NULL, NULL, NULL, 0), 0,
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"Unexpected mallctl() failure");
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assert_d_eq(mallctl("arenas.narenas", &narenas, &sz, NULL, 0), 0,
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"Unexpected mallctl() failure");
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assert_d_eq(mallctlnametomib("arena.0.purge", mib, &miblen), 0,
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"Unexpected mallctlnametomib() failure");
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mib[1] = narenas;
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assert_d_eq(mallctlbymib(mib, miblen, NULL, NULL, NULL, 0), 0,
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"Unexpected mallctlbymib() failure");
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}
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TEST_END
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TEST_BEGIN(test_arena_i_dss)
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{
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const char *dss_prec_old, *dss_prec_new;
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size_t sz = sizeof(dss_prec_old);
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size_t mib[3];
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size_t miblen;
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miblen = sizeof(mib)/sizeof(size_t);
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assert_d_eq(mallctlnametomib("arena.0.dss", mib, &miblen), 0,
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"Unexpected mallctlnametomib() error");
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dss_prec_new = "disabled";
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assert_d_eq(mallctlbymib(mib, miblen, &dss_prec_old, &sz, &dss_prec_new,
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sizeof(dss_prec_new)), 0, "Unexpected mallctl() failure");
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assert_str_ne(dss_prec_old, "primary",
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"Unexpected default for dss precedence");
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assert_d_eq(mallctlbymib(mib, miblen, &dss_prec_new, &sz, &dss_prec_old,
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sizeof(dss_prec_old)), 0, "Unexpected mallctl() failure");
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mib[1] = narenas_total_get();
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dss_prec_new = "disabled";
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assert_d_eq(mallctlbymib(mib, miblen, &dss_prec_old, &sz, &dss_prec_new,
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sizeof(dss_prec_new)), 0, "Unexpected mallctl() failure");
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assert_str_ne(dss_prec_old, "primary",
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"Unexpected default for dss precedence");
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}
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TEST_END
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TEST_BEGIN(test_arenas_purge)
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{
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unsigned arena = 0;
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assert_d_eq(mallctl("arenas.purge", NULL, NULL, &arena, sizeof(arena)),
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0, "Unexpected mallctl() failure");
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assert_d_eq(mallctl("arenas.purge", NULL, NULL, NULL, 0), 0,
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"Unexpected mallctl() failure");
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}
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TEST_END
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TEST_BEGIN(test_arenas_initialized)
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{
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unsigned narenas;
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size_t sz = sizeof(narenas);
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assert_d_eq(mallctl("arenas.narenas", &narenas, &sz, NULL, 0), 0,
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"Unexpected mallctl() failure");
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{
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bool initialized[narenas];
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sz = narenas * sizeof(bool);
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assert_d_eq(mallctl("arenas.initialized", initialized, &sz,
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NULL, 0), 0, "Unexpected mallctl() failure");
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}
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}
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TEST_END
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TEST_BEGIN(test_arenas_constants)
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{
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#define TEST_ARENAS_CONSTANT(t, name, expected) do { \
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t name; \
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size_t sz = sizeof(t); \
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assert_d_eq(mallctl("arenas."#name, &name, &sz, NULL, 0), 0, \
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"Unexpected mallctl() failure"); \
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assert_zu_eq(name, expected, "Incorrect "#name" size"); \
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} while (0)
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TEST_ARENAS_CONSTANT(size_t, quantum, QUANTUM);
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TEST_ARENAS_CONSTANT(size_t, page, PAGE);
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TEST_ARENAS_CONSTANT(unsigned, nbins, NBINS);
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TEST_ARENAS_CONSTANT(size_t, nlruns, nlclasses);
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#undef TEST_ARENAS_CONSTANT
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}
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TEST_END
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TEST_BEGIN(test_arenas_bin_constants)
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{
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#define TEST_ARENAS_BIN_CONSTANT(t, name, expected) do { \
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t name; \
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size_t sz = sizeof(t); \
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assert_d_eq(mallctl("arenas.bin.0."#name, &name, &sz, NULL, 0), \
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0, "Unexpected mallctl() failure"); \
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assert_zu_eq(name, expected, "Incorrect "#name" size"); \
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} while (0)
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TEST_ARENAS_BIN_CONSTANT(size_t, size, arena_bin_info[0].reg_size);
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TEST_ARENAS_BIN_CONSTANT(uint32_t, nregs, arena_bin_info[0].nregs);
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TEST_ARENAS_BIN_CONSTANT(size_t, run_size, arena_bin_info[0].run_size);
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#undef TEST_ARENAS_BIN_CONSTANT
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}
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TEST_END
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TEST_BEGIN(test_arenas_lrun_constants)
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{
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#define TEST_ARENAS_LRUN_CONSTANT(t, name, expected) do { \
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t name; \
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size_t sz = sizeof(t); \
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assert_d_eq(mallctl("arenas.lrun.0."#name, &name, &sz, NULL, \
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0), 0, "Unexpected mallctl() failure"); \
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assert_zu_eq(name, expected, "Incorrect "#name" size"); \
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} while (0)
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TEST_ARENAS_LRUN_CONSTANT(size_t, size, (1 << LG_PAGE));
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#undef TEST_ARENAS_LRUN_CONSTANT
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}
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TEST_END
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TEST_BEGIN(test_arenas_extend)
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{
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unsigned narenas_before, arena, narenas_after;
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size_t sz = sizeof(unsigned);
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assert_d_eq(mallctl("arenas.narenas", &narenas_before, &sz, NULL, 0), 0,
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"Unexpected mallctl() failure");
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assert_d_eq(mallctl("arenas.extend", &arena, &sz, NULL, 0), 0,
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"Unexpected mallctl() failure");
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assert_d_eq(mallctl("arenas.narenas", &narenas_after, &sz, NULL, 0), 0,
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"Unexpected mallctl() failure");
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assert_u_eq(narenas_before+1, narenas_after,
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"Unexpected number of arenas before versus after extension");
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assert_u_eq(arena, narenas_after-1, "Unexpected arena index");
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}
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TEST_END
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TEST_BEGIN(test_stats_arenas)
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{
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#define TEST_STATS_ARENAS(t, name) do { \
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t name; \
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size_t sz = sizeof(t); \
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assert_d_eq(mallctl("stats.arenas.0."#name, &name, &sz, NULL, \
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0), 0, "Unexpected mallctl() failure"); \
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} while (0)
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TEST_STATS_ARENAS(const char *, dss);
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TEST_STATS_ARENAS(unsigned, nthreads);
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TEST_STATS_ARENAS(size_t, pactive);
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TEST_STATS_ARENAS(size_t, pdirty);
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#undef TEST_STATS_ARENAS
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}
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TEST_END
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int
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main(void)
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{
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return (test(
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test_mallctl_errors,
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test_mallctlnametomib_errors,
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test_mallctlbymib_errors,
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test_mallctl_read_write,
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test_mallctlnametomib_short_mib,
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test_mallctl_config,
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test_mallctl_opt,
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test_manpage_example,
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test_thread_arena,
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test_arena_i_purge,
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test_arena_i_dss,
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test_arenas_purge,
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test_arenas_initialized,
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test_arenas_constants,
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test_arenas_bin_constants,
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test_arenas_lrun_constants,
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test_arenas_extend,
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test_stats_arenas));
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}
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