96 lines
2.3 KiB
C
96 lines
2.3 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include "ihklib.h"
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#include "./test_chk.h"
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#define TEST_NAME "CT_003"
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#define NUM_CNTR 1
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int main(int argc, char **argv)
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{
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struct ihk_perf_event_attr attr[NUM_CNTR];
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// for x86_64 arch
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unsigned long configs[NUM_CNTR] = {
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0x00c0};
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char *config_names[NUM_CNTR] = {
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"INSTRUCTIONS"};
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unsigned long counts[NUM_CNTR];
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unsigned long tmp_counts[NUM_CNTR];
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int rc = 0;
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int i = 0;
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int chk_fail = 0;
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int event_num;
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printf("*** %s start *******************************\n", TEST_NAME);
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// setup attrs
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for (i = 0; i < NUM_CNTR; i++) {
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attr[i].config = configs[i];
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attr[i].exclude_kernel = 1;
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attr[i].exclude_user = 0;
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attr[i].disabled = 1;
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}
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// set perf_event
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rc = ihk_os_setperfevent(0, attr, NUM_CNTR);
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OKNG(rc < 0, "setperfevent for %d counter", NUM_CNTR);
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event_num = rc;
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// start counters at once
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rc = ihk_os_perfctl(0, PERF_EVENT_ENABLE);
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OKNG(rc != 0, "Start counter");
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// monitoring target
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printf(" do some processing...\n");
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system("bash ./processing.sh > /dev/null");
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// stop counters at once
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rc = ihk_os_perfctl(0, PERF_EVENT_DISABLE);
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OKNG(rc != 0, "Stop counter");
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rc = ihk_os_getperfevent(0, tmp_counts, event_num);
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OKNG(rc != 0, "getperfevent %d counter", event_num);
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printf(" counted value is as belows...\n");
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// read counters after processing
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for (i = 0; i < NUM_CNTR; i++) {
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printf("%-16s: %ld\n", config_names[i], tmp_counts[i]);
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counts[i] = tmp_counts[i];
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}
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printf(" processing again... (to check if counter is stopped)\n");
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// processing again (counters are stopped)
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system("bash ./processing.sh > /dev/null");
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rc = ihk_os_getperfevent(0, tmp_counts, event_num);
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OKNG(rc != 0, "getperfevent %d counter", event_num);
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printf(" current value is as bellow\n"
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" (expected to be same value as last time)\n");
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// read counters again to check if counters were stopped
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chk_fail = 0;
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for (i = 0; i < NUM_CNTR; i++) {
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printf("%-16s: %ld\n", config_names[i], tmp_counts[i]);
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if (counts[i] != tmp_counts[i]) {
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chk_fail = 1;
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break;
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}
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}
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OKNG(chk_fail != 0, "Counter is stopped");
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printf("*** %s PASSED\n\n", TEST_NAME);
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return 0;
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fn_fail:
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printf("*** %s FAILED\n\n", TEST_NAME);
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return -1;
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}
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