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Improve naming for prof system thread name option

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This commit is contained in:
Yinan Zhang 2020-06-19 15:16:53 -07:00
parent 25e43c6022
commit d460333efb
9 changed files with 38 additions and 40 deletions
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2
Makefile.in
View File

@ -232,7 +232,7 @@ TESTS_UNIT := \
$(srcroot)test/unit/prof_reset.c \
$(srcroot)test/unit/prof_tctx.c \
$(srcroot)test/unit/prof_thread_name.c \
$(srcroot)test/unit/prof_use_sys_thread_name.c \
$(srcroot)test/unit/prof_sys_thread_name.c \
$(srcroot)test/unit/ql.c \
$(srcroot)test/unit/qr.c \
$(srcroot)test/unit/rb.c \

6
include/jemalloc/internal/prof_externs.h
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@ -29,7 +29,7 @@ extern ssize_t opt_prof_recent_alloc_max;
extern malloc_mutex_t prof_recent_alloc_mtx;
/* Whether to use thread name provided by the system or by mallctl. */
extern bool opt_prof_experimental_use_sys_thread_name;
extern bool opt_prof_sys_thread_name;
/* Accessed via prof_active_[gs]et{_unlocked,}(). */
extern bool prof_active;
@ -90,8 +90,8 @@ uint64_t prof_sample_postponed_event_wait(tsd_t *tsd);
void prof_sample_event_handler(tsd_t *tsd, uint64_t elapsed);
/* Used by unit tests. */
typedef int (prof_read_sys_thread_name_t)(char *buf, size_t limit);
extern prof_read_sys_thread_name_t *JET_MUTABLE prof_read_sys_thread_name;
typedef int (prof_sys_thread_name_read_t)(char *buf, size_t limit);
extern prof_sys_thread_name_read_t *JET_MUTABLE prof_sys_thread_name_read;
size_t prof_tdata_count(void);
size_t prof_bt_count(void);
typedef int (prof_dump_open_t)(bool, const char *);

15
src/ctl.c
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@ -127,7 +127,7 @@ CTL_PROTO(opt_prof_final)
CTL_PROTO(opt_prof_leak)
CTL_PROTO(opt_prof_accum)
CTL_PROTO(opt_prof_recent_alloc_max)
CTL_PROTO(opt_prof_experimental_use_sys_thread_name)
CTL_PROTO(opt_prof_sys_thread_name)
CTL_PROTO(opt_prof_time_res)
CTL_PROTO(opt_zero_realloc)
CTL_PROTO(tcache_create)
@ -382,11 +382,10 @@ static const ctl_named_node_t opt_node[] = {
{NAME("prof_final"), CTL(opt_prof_final)},
{NAME("prof_leak"), CTL(opt_prof_leak)},
{NAME("prof_accum"), CTL(opt_prof_accum)},
{NAME("prof_recent_alloc_max"), CTL(opt_prof_recent_alloc_max)},
{NAME("prof_experimental_use_sys_thread_name"),
CTL(opt_prof_experimental_use_sys_thread_name)},
{NAME("zero_realloc"), CTL(opt_zero_realloc)},
{NAME("prof_time_resolution"), CTL(opt_prof_time_res)}
{NAME("prof_recent_alloc_max"), CTL(opt_prof_recent_alloc_max)},
{NAME("prof_sys_thread_name"), CTL(opt_prof_sys_thread_name)},
{NAME("prof_time_resolution"), CTL(opt_prof_time_res)},
{NAME("zero_realloc"), CTL(opt_zero_realloc)}
};
static const ctl_named_node_t tcache_node[] = {
@ -1852,8 +1851,8 @@ CTL_RO_NL_CGEN(config_prof, opt_prof_final, opt_prof_final, bool)
CTL_RO_NL_CGEN(config_prof, opt_prof_leak, opt_prof_leak, bool)
CTL_RO_NL_CGEN(config_prof, opt_prof_recent_alloc_max,
opt_prof_recent_alloc_max, ssize_t)
CTL_RO_NL_CGEN(config_prof, opt_prof_experimental_use_sys_thread_name,
opt_prof_experimental_use_sys_thread_name, bool)
CTL_RO_NL_CGEN(config_prof, opt_prof_sys_thread_name, opt_prof_sys_thread_name,
bool)
CTL_RO_NL_CGEN(config_prof, opt_prof_time_res,
prof_time_res_mode_names[opt_prof_time_res], const char *)
CTL_RO_NL_GEN(opt_zero_realloc,

5
src/jemalloc.c
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@ -1495,9 +1495,8 @@ malloc_conf_init_helper(sc_data_t *sc_data, unsigned bin_shard_sizes[SC_NBINS],
CONF_HANDLE_BOOL(opt_prof_log, "prof_log")
CONF_HANDLE_SSIZE_T(opt_prof_recent_alloc_max,
"prof_recent_alloc_max", -1, SSIZE_MAX)
CONF_HANDLE_BOOL(
opt_prof_experimental_use_sys_thread_name,
"prof_experimental_use_sys_thread_name")
CONF_HANDLE_BOOL(opt_prof_sys_thread_name,
"prof_sys_thread_name")
if (CONF_MATCH("prof_time_resolution")) {
if (CONF_MATCH_VALUE("default")) {
opt_prof_time_res =

18
src/prof.c
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@ -47,7 +47,7 @@ bool opt_prof_final = false;
bool opt_prof_leak = false;
bool opt_prof_accum = false;
char opt_prof_prefix[PROF_DUMP_FILENAME_LEN];
bool opt_prof_experimental_use_sys_thread_name = false;
bool opt_prof_sys_thread_name = false;
/* Accessed via prof_sample_event_handler(). */
static counter_accum_t prof_idump_accumulated;
@ -197,21 +197,21 @@ prof_thread_name_set_impl(tsd_t *tsd, const char *thread_name) {
}
static int
prof_read_sys_thread_name_impl(char *buf, size_t limit) {
prof_sys_thread_name_read_impl(char *buf, size_t limit) {
#ifdef JEMALLOC_HAVE_PTHREAD_SETNAME_NP
return pthread_getname_np(pthread_self(), buf, limit);
#else
return ENOSYS;
#endif
}
prof_read_sys_thread_name_t *JET_MUTABLE prof_read_sys_thread_name =
prof_read_sys_thread_name_impl;
prof_sys_thread_name_read_t *JET_MUTABLE prof_sys_thread_name_read =
prof_sys_thread_name_read_impl;
static void
prof_fetch_sys_thread_name(tsd_t *tsd) {
prof_sys_thread_name_fetch(tsd_t *tsd) {
#define THREAD_NAME_MAX_LEN 16
char buf[THREAD_NAME_MAX_LEN];
if (!prof_read_sys_thread_name(buf, THREAD_NAME_MAX_LEN)) {
if (!prof_sys_thread_name_read(buf, THREAD_NAME_MAX_LEN)) {
prof_thread_name_set_impl(tsd, buf);
}
#undef THREAD_NAME_MAX_LEN
@ -220,8 +220,8 @@ prof_fetch_sys_thread_name(tsd_t *tsd) {
void
prof_malloc_sample_object(tsd_t *tsd, const void *ptr, size_t size,
size_t usize, prof_tctx_t *tctx) {
if (opt_prof_experimental_use_sys_thread_name) {
prof_fetch_sys_thread_name(tsd);
if (opt_prof_sys_thread_name) {
prof_sys_thread_name_fetch(tsd);
}
edata_t *edata = emap_edata_lookup(tsd_tsdn(tsd), &arena_emap_global,
@ -870,7 +870,7 @@ prof_thread_name_get(tsd_t *tsd) {
int
prof_thread_name_set(tsd_t *tsd, const char *thread_name) {
if (opt_prof_experimental_use_sys_thread_name) {
if (opt_prof_sys_thread_name) {
return ENOENT;
} else {
return prof_thread_name_set_impl(tsd, thread_name);

2
test/unit/mallctl.c
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@ -192,7 +192,7 @@ TEST_BEGIN(test_mallctl_opt) {
TEST_MALLCTL_OPT(bool, prof_final, prof);
TEST_MALLCTL_OPT(bool, prof_leak, prof);
TEST_MALLCTL_OPT(ssize_t, prof_recent_alloc_max, prof);
TEST_MALLCTL_OPT(bool, prof_experimental_use_sys_thread_name, prof);
TEST_MALLCTL_OPT(bool, prof_sys_thread_name, prof);
#undef TEST_MALLCTL_OPT
}

20
test/unit/prof_use_sys_thread_name.c → test/unit/prof_sys_thread_name.c
View File

@ -3,31 +3,31 @@
static const char *test_thread_name = "test_name";
static int
test_prof_read_sys_thread_name_error(char *buf, size_t limit) {
test_prof_sys_thread_name_read_error(char *buf, size_t limit) {
return ENOSYS;
}
static int
test_prof_read_sys_thread_name(char *buf, size_t limit) {
test_prof_sys_thread_name_read(char *buf, size_t limit) {
assert(strlen(test_thread_name) < limit);
strncpy(buf, test_thread_name, limit);
return 0;
}
static int
test_prof_read_sys_thread_name_clear(char *buf, size_t limit) {
test_prof_sys_thread_name_read_clear(char *buf, size_t limit) {
assert(limit > 0);
buf[0] = '\0';
return 0;
}
TEST_BEGIN(test_prof_experimental_use_sys_thread_name) {
TEST_BEGIN(test_prof_sys_thread_name) {
test_skip_if(!config_prof);
bool oldval;
size_t sz = sizeof(oldval);
assert_d_eq(mallctl("opt.prof_experimental_use_sys_thread_name",
&oldval, &sz, NULL, 0), 0, "mallctl failed");
assert_d_eq(mallctl("opt.prof_sys_thread_name", &oldval, &sz, NULL, 0),
0, "mallctl failed");
assert_true(oldval, "option was not set correctly");
const char *thread_name;
@ -42,7 +42,7 @@ TEST_BEGIN(test_prof_experimental_use_sys_thread_name) {
assert_ptr_eq(thread_name, test_thread_name,
"Thread name should not be touched");
prof_read_sys_thread_name = test_prof_read_sys_thread_name_error;
prof_sys_thread_name_read = test_prof_sys_thread_name_read_error;
void *p = malloc(1);
free(p);
assert_d_eq(mallctl("thread.prof.name", &thread_name, &sz, NULL, 0), 0,
@ -50,7 +50,7 @@ TEST_BEGIN(test_prof_experimental_use_sys_thread_name) {
assert_str_eq(thread_name, "",
"Thread name should stay the same if the system call fails");
prof_read_sys_thread_name = test_prof_read_sys_thread_name;
prof_sys_thread_name_read = test_prof_sys_thread_name_read;
p = malloc(1);
free(p);
assert_d_eq(mallctl("thread.prof.name", &thread_name, &sz, NULL, 0), 0,
@ -58,7 +58,7 @@ TEST_BEGIN(test_prof_experimental_use_sys_thread_name) {
assert_str_eq(thread_name, test_thread_name,
"Thread name should be changed if the system call succeeds");
prof_read_sys_thread_name = test_prof_read_sys_thread_name_clear;
prof_sys_thread_name_read = test_prof_sys_thread_name_read_clear;
p = malloc(1);
free(p);
assert_d_eq(mallctl("thread.prof.name", &thread_name, &sz, NULL, 0), 0,
@ -71,5 +71,5 @@ TEST_END
int
main(void) {
return test(
test_prof_experimental_use_sys_thread_name);
test_prof_sys_thread_name);
}

5
test/unit/prof_sys_thread_name.sh Normal file
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@ -0,0 +1,5 @@
#!/bin/sh
if [ "x${enable_prof}" = "x1" ] ; then
export MALLOC_CONF="prof:true,lg_prof_sample:0,prof_sys_thread_name:true"
fi

5
test/unit/prof_use_sys_thread_name.sh
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@ -1,5 +0,0 @@
#!/bin/sh
if [ "x${enable_prof}" = "x1" ] ; then
export MALLOC_CONF="prof:true,lg_prof_sample:0,prof_experimental_use_sys_thread_name:true"
fi