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capture: add counter define/set collectors

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This commit is contained in:
Christian Hergert
2020-08-19 13:43:13 -07:00
parent c7e0e11fc2
commit b913de8882
2 changed files with 121 additions and 31 deletions
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83
src/libsysprof-capture/sysprof-collector.c
View File

@ -762,3 +762,86 @@ sysprof_collector_log_printf (int severity,
}
} COLLECTOR_END;
}
void
sysprof_collector_define_counters (const SysprofCaptureCounter *counters,
unsigned int n_counters)
{
if (counters == NULL || n_counters == 0)
return;
COLLECTOR_BEGIN {
SysprofCaptureCounterDefine *def;
size_t len;
len = realign (sizeof *def + (sizeof *counters * n_counters));
if ((def = mapped_ring_buffer_allocate (collector->buffer, len)))
{
def->frame.len = len;
def->frame.type = SYSPROF_CAPTURE_FRAME_CTRDEF;
def->frame.cpu = _do_getcpu ();
def->frame.pid = collector->pid;
def->frame.time = SYSPROF_CAPTURE_CURRENT_TIME;
def->padding1 = 0;
def->padding2 = 0;
def->n_counters = n_counters;
memcpy (def->counters, counters, sizeof *counters * n_counters);
mapped_ring_buffer_advance (collector->buffer, def->frame.len);
}
} COLLECTOR_END;
}
void
sysprof_collector_set_counters (const unsigned int *counters_ids,
const SysprofCaptureCounterValue *values,
unsigned int n_counters)
{
if (n_counters == 0)
return;
COLLECTOR_BEGIN {
SysprofCaptureCounterSet *set;
size_t len;
unsigned int n_groups;
unsigned int group;
unsigned int field;
unsigned int i;
/* Determine how many value groups we need */
n_groups = n_counters / SYSPROF_N_ELEMENTS (set->values[0].values);
if ((n_groups * SYSPROF_N_ELEMENTS (set->values[0].values)) != n_counters)
n_groups++;
len = realign (sizeof *set + (n_groups * sizeof (SysprofCaptureCounterValues)));
if ((set = mapped_ring_buffer_allocate (collector->buffer, len)))
{
set->frame.len = len;
set->frame.type = SYSPROF_CAPTURE_FRAME_CTRSET;
set->frame.cpu = _do_getcpu ();
set->frame.pid = collector->pid;
set->frame.time = SYSPROF_CAPTURE_CURRENT_TIME;
set->padding1 = 0;
set->padding2 = 0;
set->n_values = n_groups;
for (i = 0, group = 0, field = 0; i < n_counters; i++)
{
set->values[group].ids[field] = counters_ids[i];
set->values[group].values[field] = values[i];
field++;
if (field == SYSPROF_N_ELEMENTS (set->values[0].values))
{
field = 0;
group++;
}
}
mapped_ring_buffer_advance (collector->buffer, set->frame.len);
}
} COLLECTOR_END;
}

69
src/libsysprof-capture/sysprof-collector.h
View File

@ -64,43 +64,50 @@
SYSPROF_BEGIN_DECLS
SYSPROF_AVAILABLE_IN_3_36
void sysprof_collector_init (void);
void sysprof_collector_init (void);
SYSPROF_AVAILABLE_IN_3_36
void sysprof_collector_allocate (SysprofCaptureAddress alloc_addr,
int64_t alloc_size,
SysprofBacktraceFunc backtrace_func,
void *backtrace_data);
void sysprof_collector_allocate (SysprofCaptureAddress alloc_addr,
int64_t alloc_size,
SysprofBacktraceFunc backtrace_func,
void *backtrace_data);
SYSPROF_AVAILABLE_IN_3_36
void sysprof_collector_sample (SysprofBacktraceFunc backtrace_func,
void *backtrace_data);
void sysprof_collector_sample (SysprofBacktraceFunc backtrace_func,
void *backtrace_data);
SYSPROF_AVAILABLE_IN_3_36
void sysprof_collector_mark (int64_t time,
int64_t duration,
const char *group,
const char *mark,
const char *message);
void sysprof_collector_mark (int64_t time,
int64_t duration,
const char *group,
const char *mark,
const char *message);
SYSPROF_AVAILABLE_IN_3_38
void sysprof_collector_mark_printf (int64_t time,
int64_t duration,
const char *group,
const char *mark,
const char *message_format,
...) SYSPROF_PRINTF(5, 6);
void sysprof_collector_mark_printf (int64_t time,
int64_t duration,
const char *group,
const char *mark,
const char *message_format,
...) SYSPROF_PRINTF(5, 6);
SYSPROF_AVAILABLE_IN_3_38
void sysprof_collector_mark_vprintf (int64_t time,
int64_t duration,
const char *group,
const char *mark,
const char *message_format,
va_list args) SYSPROF_PRINTF(5, 0);
void sysprof_collector_mark_vprintf (int64_t time,
int64_t duration,
const char *group,
const char *mark,
const char *message_format,
va_list args) SYSPROF_PRINTF(5, 0);
SYSPROF_AVAILABLE_IN_3_36
void sysprof_collector_log (int severity,
const char *domain,
const char *message);
void sysprof_collector_log (int severity,
const char *domain,
const char *message);
SYSPROF_AVAILABLE_IN_3_38
void sysprof_collector_log_printf (int severity,
const char *domain,
const char *format,
...) SYSPROF_PRINTF (3, 4);
void sysprof_collector_log_printf (int severity,
const char *domain,
const char *format,
...) SYSPROF_PRINTF (3, 4);
SYSPROF_AVAILABLE_IN_3_38
void sysprof_collector_define_counters (const SysprofCaptureCounter *counters,
unsigned int n_counters);
SYSPROF_AVAILABLE_IN_3_38
void sysprof_collector_set_counters (const unsigned int *counters_ids,
const SysprofCaptureCounterValue *values,
unsigned int n_counters);
SYSPROF_END_DECLS