mirror of
https://github.com/torvalds/linux
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26aa834ff2
- Improves the output of timerlat top by adding a missing \n,
and by avoiding printing color-formatting characters where
they are translated to regular characters.
- Improves timerlat auto-analysis output by replacing '\t'
with spaces to avoid copy-and-paste issues when reporting
problems.
- For timerlat, make the user-space (-u) option the default,
as it is the most complete test. Add a -k option to use
the in-kernel workload.
- On timerlat top and hist, add a summary with the overall
results. For instance, the minimum value for all CPUs,
the overall average and the maximum value from all CPUs.
- timerlat hist was printing initial values (i.e., 0 as max,
and ~0 as min) if the trace stopped before the first Ret-User
event. This problem was fixed by printing the " - "
no value string to the output if that was the case.
For all RTLA tools:
- Add a --warm-up <seconds> option, allowing the workload to
run for <seconds> before starting to collect results.
- Add a --trace-buffer-size option, allowing the user to set
the tracing buffer size for -t option. This option is mainly
useful for reducing the trace file. Now rtla depends on
libtracefs >= 1.6.
- Fix the -t [trace_file] parsing, now it does not require
the '=' before the option parameter, and better handles the
multiple ways a user can pass the trace_file.txt
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Merge tag 'trace-tools-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing tool updates from Steven Rostedt:
"Specific for timerlat:
- Improve the output of timerlat top by adding a missing \n, and by
avoiding printing color-formatting characters where they are
translated to regular characters.
- Improve timerlat auto-analysis output by replacing '\t' with spaces
to avoid copy-and-paste issues when reporting problems.
- Make the user-space (-u) option the default, as it is the most
complete test. Add a -k option to use the in-kernel workload.
- On timerlat top and hist, add a summary with the overall results.
For instance, the minimum value for all CPUs, the overall average
and the maximum value from all CPUs.
- timerlat hist was printing initial values (i.e., 0 as max, and ~0
as min) if the trace stopped before the first Ret-User event. This
problem was fixed by printing the " - " no value string to the
output if that was the case.
For all RTLA tools:
- Add a --warm-up <seconds> option, allowing the workload to run for
<seconds> before starting to collect results.
- Add a --trace-buffer-size option, allowing the user to set the
tracing buffer size for -t option. This option is mainly useful for
reducing the trace file. Now rtla depends on libtracefs >= 1.6.
- Fix the -t [trace_file] parsing, now it does not require the '='
before the option parameter, and better handles the multiple ways a
user can pass the trace_file.txt"
* tag 'trace-tools-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
rtla: Documentation: Fix -t, --trace
rtla: Fix -t\--trace[=file]
rtla/timerlat: Fix histogram report when a cpu count is 0
rtla: Add --trace-buffer-size option
rtla/timerlat: Make user-space threads the default
rtla: Add the --warm-up option
rtla/timerlat: Add a summary for hist mode
rtla/timerlat: Add a summary for top mode
rtla/timerlat: Use pretty formatting only on interactive tty
rtla/auto-analysis: Replace \t with spaces
rtla/timerlat: Simplify "no value" printing on top
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