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authorZephaniah E. Loss-Cutler-Hull <zephaniah@gmail.com>2021-10-05 07:54:39 +0300
committerLen Brown <len.brown@intel.com>2022-04-17 04:58:15 +0300
commitc7e399f839689e9ead863456132f19b88abc3bc9 (patch)
tree86c7de07c8815e90653cbb485401189bbc0899c7 /tools/power
parent0fc521bc3339b029b2ac172a5b00bd7c9867e83d (diff)
downloadlinux-c7e399f839689e9ead863456132f19b88abc3bc9.tar.xz
tools/power turbostat: Allow printing header every N iterations
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>
Diffstat (limited to 'tools/power')
-rw-r--r--tools/power/x86/turbostat/turbostat.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index d3b74d929c1a..649fd7e3483c 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -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