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/*
* validate_perf.c - validate perf generic event encodings
*
* Contributed by Stephane Eranian <eranian@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <inttypes.h>
#include <stdarg.h>
#include <errno.h>
#include <unistd.h>
#include <string.h>
#include <perfmon/pfmlib.h>
#define MAX_ENCODING 1
#define SRC_LINE .line = __LINE__
typedef struct {
const char *name;
const char *fstr;
uint64_t codes[MAX_ENCODING];
int ret, count, line;
} test_event_t;
static const test_event_t perf_test_events[]={
{ SRC_LINE,
.name = "perf::cycles",
.ret = PFM_SUCCESS,
.count = 1,
.codes[0] = 0x00,
.fstr = "perf::PERF_COUNT_HW_CPU_CYCLES",
},
{ SRC_LINE,
.name = "perf::instructions",
.ret = PFM_SUCCESS,
.count = 1,
.codes[0] = 0x01,
.fstr = "perf::PERF_COUNT_HW_INSTRUCTIONS",
},
{ SRC_LINE,
.name = "perf::branches",
.ret = PFM_SUCCESS,
.count = 1,
.codes[0] = 0x04,
.fstr = "perf::PERF_COUNT_HW_BRANCH_INSTRUCTIONS",
},
};
#define NUM_TEST_EVENTS (int)(sizeof(perf_test_events)/sizeof(test_event_t))
static int check_test_events(FILE *fp)
{
const test_event_t *e;
char *fstr;
uint64_t *codes;
int count, i, j;
int ret, errors = 0;
for (i = 0, e = perf_test_events; i < NUM_TEST_EVENTS; i++, e++) {
codes = NULL;
count = 0;
fstr = NULL;
ret = pfm_get_event_encoding(e->name, PFM_PLM0 | PFM_PLM3, &fstr, NULL, &codes, &count);
if (ret != e->ret) {
fprintf(fp,"Event%d %s, ret=%s(%d) expected %s(%d)\n", i, e->name, pfm_strerror(ret), ret, pfm_strerror(e->ret), e->ret);
errors++;
} else {
if (ret != PFM_SUCCESS) {
if (fstr) {
fprintf(fp,"Event%d %s, expected fstr NULL but it is not\n", i, e->name);
errors++;
}
if (count != 0) {
fprintf(fp,"Event%d %s, expected count=0 instead of %d\n", i, e->name, count);
errors++;
}
if (codes) {
fprintf(fp,"Event%d %s, expected codes[] NULL but it is not\n", i, e->name);
errors++;
}
} else {
if (count != e->count) {
fprintf(fp,"Event%d %s, count=%d expected %d\n", i, e->name, count, e->count);
errors++;
}
for (j=0; j < count; j++) {
if (codes[j] != e->codes[j]) {
fprintf(fp,"Event%d %s, codes[%d]=%#"PRIx64" expected %#"PRIx64"\n", i, e->name, j, codes[j], e->codes[j]);
errors++;
}
}
if (e->fstr && strcmp(fstr, e->fstr)) {
fprintf(fp,"Event%d %s, fstr=%s expected %s\n", i, e->name, fstr, e->fstr);
errors++;
}
}
}
if (codes)
free(codes);
if (fstr)
free(fstr);
}
printf("\t %d perf_events generic events: %d errors\n", i, errors);
return errors;
}
int
validate_perf(FILE *fp)
{
return check_test_events(fp);
}
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