mirror of
https://github.com/git/git.git
synced 2024-11-23 18:05:29 +08:00
4861bbf85a
Typofixes. * ak/typofix-2.46-maint: perl: fix a typo mergetool: fix a typo reftable: fix a typo trace2: fix typos
121 lines
3.1 KiB
C
121 lines
3.1 KiB
C
#include "git-compat-util.h"
|
|
#include "trace2/tr2_tgt.h"
|
|
#include "trace2/tr2_tls.h"
|
|
#include "trace2/tr2_ctr.h"
|
|
|
|
/*
|
|
* A global counter block to aggregate values from the partial sums
|
|
* from each thread.
|
|
*/
|
|
static struct tr2_counter_block final_counter_block; /* access under tr2tls_mutex */
|
|
|
|
/*
|
|
* Define metadata for each global counter.
|
|
*
|
|
* This array must match the "enum trace2_counter_id" and the values
|
|
* in "struct tr2_counter_block.counter[*]".
|
|
*/
|
|
static struct tr2_counter_metadata tr2_counter_metadata[TRACE2_NUMBER_OF_COUNTERS] = {
|
|
[TRACE2_COUNTER_ID_TEST1] = {
|
|
.category = "test",
|
|
.name = "test1",
|
|
.want_per_thread_events = 0,
|
|
},
|
|
[TRACE2_COUNTER_ID_TEST2] = {
|
|
.category = "test",
|
|
.name = "test2",
|
|
.want_per_thread_events = 1,
|
|
},
|
|
[TRACE2_COUNTER_ID_PACKED_REFS_JUMPS] = {
|
|
.category = "packed-refs",
|
|
.name = "jumps_made",
|
|
.want_per_thread_events = 0,
|
|
},
|
|
[TRACE2_COUNTER_ID_REFTABLE_RESEEKS] = {
|
|
.category = "reftable",
|
|
.name = "reseeks_made",
|
|
.want_per_thread_events = 0,
|
|
},
|
|
[TRACE2_COUNTER_ID_FSYNC_WRITEOUT_ONLY] = {
|
|
.category = "fsync",
|
|
.name = "writeout-only",
|
|
.want_per_thread_events = 0,
|
|
},
|
|
[TRACE2_COUNTER_ID_FSYNC_HARDWARE_FLUSH] = {
|
|
.category = "fsync",
|
|
.name = "hardware-flush",
|
|
.want_per_thread_events = 0,
|
|
},
|
|
|
|
/* Add additional metadata before here. */
|
|
};
|
|
|
|
void tr2_counter_increment(enum trace2_counter_id cid, uint64_t value)
|
|
{
|
|
struct tr2tls_thread_ctx *ctx = tr2tls_get_self();
|
|
struct tr2_counter *c = &ctx->counter_block.counter[cid];
|
|
|
|
c->value += value;
|
|
|
|
ctx->used_any_counter = 1;
|
|
if (tr2_counter_metadata[cid].want_per_thread_events)
|
|
ctx->used_any_per_thread_counter = 1;
|
|
}
|
|
|
|
void tr2_update_final_counters(void)
|
|
{
|
|
struct tr2tls_thread_ctx *ctx = tr2tls_get_self();
|
|
enum trace2_counter_id cid;
|
|
|
|
if (!ctx->used_any_counter)
|
|
return;
|
|
|
|
/*
|
|
* Access `final_counter_block` requires holding `tr2tls_mutex`.
|
|
* We assume that our caller is holding the lock.
|
|
*/
|
|
|
|
for (cid = 0; cid < TRACE2_NUMBER_OF_COUNTERS; cid++) {
|
|
struct tr2_counter *c_final = &final_counter_block.counter[cid];
|
|
const struct tr2_counter *c = &ctx->counter_block.counter[cid];
|
|
|
|
c_final->value += c->value;
|
|
}
|
|
}
|
|
|
|
void tr2_emit_per_thread_counters(tr2_tgt_evt_counter_t *fn_apply)
|
|
{
|
|
struct tr2tls_thread_ctx *ctx = tr2tls_get_self();
|
|
enum trace2_counter_id cid;
|
|
|
|
if (!ctx->used_any_per_thread_counter)
|
|
return;
|
|
|
|
/*
|
|
* For each counter, if the counter wants per-thread events
|
|
* and this thread used it (the value is non-zero), emit it.
|
|
*/
|
|
for (cid = 0; cid < TRACE2_NUMBER_OF_COUNTERS; cid++)
|
|
if (tr2_counter_metadata[cid].want_per_thread_events &&
|
|
ctx->counter_block.counter[cid].value)
|
|
fn_apply(&tr2_counter_metadata[cid],
|
|
&ctx->counter_block.counter[cid],
|
|
0);
|
|
}
|
|
|
|
void tr2_emit_final_counters(tr2_tgt_evt_counter_t *fn_apply)
|
|
{
|
|
enum trace2_counter_id cid;
|
|
|
|
/*
|
|
* Access `final_counter_block` requires holding `tr2tls_mutex`.
|
|
* We assume that our caller is holding the lock.
|
|
*/
|
|
|
|
for (cid = 0; cid < TRACE2_NUMBER_OF_COUNTERS; cid++)
|
|
if (final_counter_block.counter[cid].value)
|
|
fn_apply(&tr2_counter_metadata[cid],
|
|
&final_counter_block.counter[cid],
|
|
1);
|
|
}
|