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Refactor profiling headers

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This commit is contained in:
Yinan Zhang 2019-12-18 15:15:31 -08:00
parent 6342da0970
commit ea42174d07
7 changed files with 80 additions and 59 deletions
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32
src/prof.c
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@ -5,6 +5,8 @@
#include "jemalloc/internal/ctl.h"
#include "jemalloc/internal/assert.h"
#include "jemalloc/internal/mutex.h"
#include "jemalloc/internal/prof_data_externs.h"
#include "jemalloc/internal/prof_log_externs.h"
#include "jemalloc/internal/thread_event.h"
/*
@ -73,24 +75,6 @@ uint64_t prof_interval = 0;
size_t lg_prof_sample;
/*
* Table of mutexes that are shared among gctx's. These are leaf locks, so
* there is no problem with using them for more than one gctx at the same time.
* The primary motivation for this sharing though is that gctx's are ephemeral,
* and destroying mutexes causes complications for systems that allocate when
* creating/destroying mutexes.
*/
static malloc_mutex_t *gctx_locks;
static atomic_u_t cum_gctxs; /* Atomic counter. */
/*
* Table of mutexes that are shared among tdata's. No operations require
* holding multiple tdata locks, so there is no problem with using them for more
* than one tdata at the same time, even though a gctx lock may be acquired
* while holding a tdata lock.
*/
static malloc_mutex_t *tdata_locks;
/* Non static to enable profiling. */
malloc_mutex_t bt2gctx_mtx;
@ -431,18 +415,6 @@ prof_backtrace(tsd_t *tsd, prof_bt_t *bt) {
post_reentrancy(tsd);
}
malloc_mutex_t *
prof_gctx_mutex_choose(void) {
unsigned ngctxs = atomic_fetch_add_u(&cum_gctxs, 1, ATOMIC_RELAXED);
return &gctx_locks[(ngctxs - 1) % PROF_NCTX_LOCKS];
}
malloc_mutex_t *
prof_tdata_mutex_choose(uint64_t thr_uid) {
return &tdata_locks[thr_uid % PROF_NTDATA_LOCKS];
}
/*
* The bodies of this function and prof_leakcheck() are compiled out unless heap
* profiling is enabled, so that it is possible to compile jemalloc with