diff options
| author | Zephaniah E. Loss-Cutler-Hull <zephaniah@gmail.com> | 2021-10-05 07:54:39 +0300 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2022-04-17 04:58:15 +0300 |
| commit | c7e399f839689e9ead863456132f19b88abc3bc9 (patch) | |
| tree | 86c7de07c8815e90653cbb485401189bbc0899c7 /tools/power | |
| parent | 0fc521bc3339b029b2ac172a5b00bd7c9867e83d (diff) | |
| download | linux-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.c | 19 |
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 |