diff options
| -rw-r--r-- | jitter/jitter.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/jitter/jitter.c b/jitter/jitter.c index 24bc3bd..77c2620 100644 --- a/jitter/jitter.c +++ b/jitter/jitter.c @@ -67,6 +67,7 @@ unsigned int displayUpdate = 20000; unsigned int jitter_threshold = 15000; #endif unsigned int iterations = 200; +int parseable = 0; char *title = " Inst_Min Inst_Max Inst_jitter last_Exec Abs_min Abs_max tmp Interval Sample No\n"; @@ -143,6 +144,7 @@ void showhelp() printf(" -t : jitter threshold for perf trigger. Default is > %d cycles\n", jitter_threshold); #endif printf(" -i : Sample counts after which program terminates. Default count is %u\n", iterations); + printf(" -f : Parser friendly output\n"); printf("For resetting statistics use: pkill -USR1 jitter\n"); printf("For elevating the priority of this program try: chrt -r -p 99 processId\n"); @@ -181,7 +183,7 @@ int main(int argc, char* argv[]) printf("Linux Jitter testing program version 1.9\n"); - while ((userinput = getopt(argc, argv, "c:l:r:hp:t:i:")) != EOF) + while ((userinput = getopt(argc, argv, "c:l:r:hp:t:i:f")) != EOF) { switch(userinput) { @@ -215,6 +217,11 @@ int main(int argc, char* argv[]) printf("jitter program did not compile with -DPROCESSOR_TRACE, cannot use Linux perf with Intel Processor Trace to record jitter source\n"); #endif break; + case 'f' : + title="Inst_Min,Inst_Max,Inst_jitter,last_Exec,Abs_min,Abs_max,tmp,Interval,Sample No\n"; + parseable=1; + break; + } } @@ -282,6 +289,7 @@ int main(int argc, char* argv[]) tref=1; if(SampleNo > 0) { + if(parseable==0){ printf("%10lu %10lu %10lu %10lu %10lu %10lu %13u %10lu %10u\n", TransientMin, TransientMax, @@ -291,6 +299,19 @@ int main(int argc, char* argv[]) (endTime-lasttime), SampleNo); fflush(stdout); + } + else{ + //parser friendly output + printf("%lu,%lu,%lu,%lu,%lu,%lu,%u,%lu,%u\n", + TransientMin, + TransientMax, + TransientMax-TransientMin, + currentExectime, absoluteMin, + absoluteMax,tmp, + (endTime-lasttime), + SampleNo); + fflush(stdout); + } } else { @@ -316,7 +337,7 @@ int main(int argc, char* argv[]) } - if (!(SampleNo % 40)) // print the title every 40 lines + if (!(SampleNo % 40)& (parseable==0)) // print the title every 40 lines printf("%s",title); } |