From: Tomas Glozar
Add --disable-idle-states to manpage and mention libcpupower dependency
in README.txt.
Signed-off-by: Tomas Glozar
---
Documentation/tools/rtla/common_timerlat_options.rst | 6 ++
tools/tracing/rtla/README.txt| 4
2 files changed, 10
From: Tomas Glozar
Support disabling idle states also for timerlat-hist.
Signed-off-by: Tomas Glozar
---
tools/tracing/rtla/src/timerlat_hist.c | 35 +-
1 file changed, 34 insertions(+), 1 deletion(-)
diff --git a/tools/tracing/rtla/src/timerlat_hist.c
From: Tomas Glozar
Add option to disable idle states on CPUs where timerlat is running for
the duration of the workload.
Signed-off-by: Tomas Glozar
---
tools/tracing/rtla/src/timerlat_top.c | 35 ++-
1 file changed, 34 insertions(+), 1 deletion(-)
diff --git
From: Tomas Glozar
Add functions to utils.c to disable idle states through functions of
libcpupower. This will serve as the basis for disabling idle states
per cpu when running timerlat.
Signed-off-by: Tomas Glozar
---
tools/tracing/rtla/src/utils.c | 133 +
From: Tomas Glozar
Add a test for libcpupower into feature tests and use it to add a
dependency on libcpupower to rtla.
Signed-off-by: Tomas Glozar
---
tools/build/Makefile.feature | 1 +
tools/build/feature/Makefile | 4
tools/build/feature/test-libcpupower.c | 8
From: Tomas Glozar
rtla-timerlat allows reducing latency on wake up from idle by setting
/dev/cpu_dma_latency during the timerlat measurement. This has an effect on
the idle states of all CPUs, including those which are not used by timerlat.
Add option --disable-idle-states that disables all
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