Re: [PATCH v5 2/3] perf sched latency: Auto-scale latency and runtime display units
Aaron Tomlin <[email protected]> Sat, 1 Aug 2026 17:45:27 -0400
| Newsgroups | org.kernel.vger.linux-perf-users,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <oisjadpeh7gyua3hhqni6ctazrosulcvbndftuxuovfczuqn2a@cej6shjbossa> |
On Fri, Jul 31, 2026 at 03:01:45PM -0700, Namhyung Kim wrote: > On Thu, Jul 30, 2026 at 02:54:15PM -0400, Aaron Tomlin wrote: > > Currently, 'perf sched latency' displays task runtime and delay values > > exclusively in milliseconds (ms). This can be hard to read when > > latencies are very small (in the microsecond or nanosecond range) or > > unusually large (seconds). > > > > Introduce auto-scaling for latency and runtime display columns. Values > > are dynamically scaled and output with the most appropriate unit: > > nanoseconds (ns), microseconds (us), milliseconds (ms), or seconds (s). > > > > Additionally, rename column headers from "Runtime ms", "Avg delay ms", > > and "Max delay ms" to "Runtime", "Avg delay", and "Max delay" > > respectively, adjust spacing to maintain column alignment and stripe > > redundant prefix strings from each row's format string to produce a > > clean, tabular output. > > It'd be nice if you could include example output when you touched user- > visible area. Comparing before and after would be great. Hi Namhyung, Acknowledged—will do. Kind regards, -- Aaron Tomlin