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Performance measurement allwo constant tags

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This commit is contained in:
Sparchatus 2022-05-31 09:50:43 +00:00
parent f51fbb441e
commit d6526ccbaa
2 changed files with 12 additions and 9 deletions
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10
include/aos/performance.h
View File

@ -9,19 +9,19 @@
// #define PERFORMANCE_ENABLED // #define PERFORMANCE_ENABLED
struct measurement { struct measurement {
char *tag; const char *tag;
systime_t timestamp; systime_t timestamp;
}; };
struct performance_context { struct performance_context {
size_t count; size_t count;
char *name; const char *name;
struct measurement measurements[PERFORMANCE_MEASUREMENT_COUNT_MAX]; struct measurement measurements[PERFORMANCE_MEASUREMENT_COUNT_MAX];
}; };
void perf_init(struct performance_context *c, char *name); void perf_init(struct performance_context *c, const char *name);
void perf_add_measurement(struct performance_context *c, char *tag, systime_t timestamp); void perf_add_measurement(struct performance_context *c, const char *tag, systime_t timestamp);
void perf_add_now(struct performance_context *c, char *tag); void perf_add_now(struct performance_context *c, const char *tag);
void perf_print(struct performance_context *c); void perf_print(struct performance_context *c);
#endif // LIBBARRELFISH_PERFORMANCE_H #endif // LIBBARRELFISH_PERFORMANCE_H

11
lib/aos/performance.c
View File

@ -3,15 +3,18 @@
#include <aos/systime.h> #include <aos/systime.h>
#include <string.h> #include <string.h>
void perf_init(struct performance_context *c, char *name) { void perf_init(struct performance_context *c, const char *name) {
c->count = 0; c->count = 0;
c->name = name; c->name = name;
memset(c->measurements, 0, sizeof(c->measurements));
} }
inline void perf_add_measurement(struct performance_context *c, char *tag, systime_t timestamp) inline void perf_add_measurement(struct performance_context *c, const char *tag, systime_t timestamp)
{ {
assert(c->count < PERFORMANCE_MEASUREMENT_COUNT_MAX); assert(c->count < PERFORMANCE_MEASUREMENT_COUNT_MAX);
__asm volatile (
"dmb sy\n"
);
c->measurements[c->count].tag = tag; c->measurements[c->count].tag = tag;
c->measurements[c->count].timestamp = timestamp; c->measurements[c->count].timestamp = timestamp;
c->count++; c->count++;
@ -20,7 +23,7 @@ inline void perf_add_measurement(struct performance_context *c, char *tag, systi
); );
} }
inline void perf_add_now(struct performance_context *c, char *tag) inline void perf_add_now(struct performance_context *c, const char *tag)
{ {
systime_t now = systime_now(); systime_t now = systime_now();
perf_add_measurement(c, tag, now); perf_add_measurement(c, tag, now);