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tools/power turbostat: Allow printing header every N iterations

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This gives the ability to reprint the header every N iterations, so you
can ensure that a scrolling display always has the header visible
somewhere on the screen.

Signed-off-by: Zephaniah E. Loss-Cutler-Hull <zephaniah@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Zephaniah E. Loss-Cutler-Hull 2021-10-04 21:54:39 -07:00 committed by Len Brown
parent 0fc521bc33
commit c7e399f839
1 changed files with 16 additions and 3 deletions
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19
tools/power/x86/turbostat/turbostat.c
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@ -48,6 +48,7 @@ struct timespec interval_ts = { 5, 0 };
unsigned int model_orig;
unsigned int num_iterations;
unsigned int header_iterations;
unsigned int debug;
unsigned int quiet;
unsigned int shown;
@ -722,6 +723,8 @@ void help(void)
" -l, --list list column headers only\n"
" -n, --num_iterations num\n"
" number of the measurement iterations\n"
" -N, --header_iterations num\n"
" print header every num iterations\n"
" -o, --out file\n"
" create or truncate \"file\" for all output\n"
" -q, --quiet skip decoding system configuration header\n"
@ -1399,14 +1402,14 @@ void flush_output_stderr(void)
void format_all_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
{
static int printed;
static int count;
if (!printed || !summary_only)
if ((!count || (header_iterations && !(count % header_iterations))) || !summary_only)
print_header("\t");
format_counters(&average.threads, &average.cores, &average.packages);
printed = 1;
count++;
if (summary_only)
return;
@ -6348,6 +6351,7 @@ void cmdline(int argc, char **argv)
{ "interval", required_argument, 0, 'i' },
{ "IPC", no_argument, 0, 'I' },
{ "num_iterations", required_argument, 0, 'n' },
{ "header_iterations", required_argument, 0, 'N' },
{ "help", no_argument, 0, 'h' },
{ "hide", required_argument, 0, 'H' }, // meh, -h taken by --help
{ "Joules", no_argument, 0, 'J' },
@ -6429,6 +6433,15 @@ void cmdline(int argc, char **argv)
exit(2);
}
break;
case 'N':
header_iterations = strtod(optarg, NULL);
if (header_iterations <= 0) {
fprintf(outf, "iterations %d should be positive number\n",
header_iterations);
exit(2);
}
break;
case 's':
/*
* --show: show only those specified