From: Tomas Glozar
When running timerlat with a userspace workload (NO_OSNOISE_WORKLOAD),
NULL pointer dereference can be triggered by sending consequent SIGINT
and SIGTERM signals to the workload process. That then causes
timerlat_fd_release to be called twice in a row, and the second time,
hrti
From: Tomas Glozar
Add --deepest-idle-state to manpage and mention libcpupower dependency
in README.txt.
Signed-off-by: Tomas Glozar
---
Documentation/tools/rtla/common_timerlat_options.rst | 8
tools/tracing/rtla/README.txt| 4
2 files changed, 12 inserti
From: Tomas Glozar
Support limiting deepest idle state also for timerlat-hist.
Signed-off-by: Tomas Glozar
---
tools/tracing/rtla/src/timerlat_hist.c | 42 +-
1 file changed, 41 insertions(+), 1 deletion(-)
diff --git a/tools/tracing/rtla/src/timerlat_hist.c
b/tools/t
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 | 150 +
too
From: Tomas Glozar
Add option to limit deepest idle state on CPUs where timerlat is running
for the duration of the workload.
Signed-off-by: Tomas Glozar
---
tools/tracing/rtla/src/timerlat_top.c | 42 ++-
1 file changed, 41 insertions(+), 1 deletion(-)
diff --git a/to
From: Tomas Glozar
If libcpupower is present, set HAVE_LIBCPUPOWER_SUPPORT macro to allow
features depending on libcpupower in rtla.
Signed-off-by: Tomas Glozar
---
tools/tracing/rtla/Makefile| 2 ++
tools/tracing/rtla/Makefile.config | 10 ++
2 files changed, 12 insertions(+)
From: Tomas Glozar
Add the ability to detect the presence of libcpupower on a system to
the Makefiles in tools/build.
Signed-off-by: Tomas Glozar
---
tools/build/Makefile.feature | 1 +
tools/build/feature/Makefile | 4
2 files changed, 5 insertions(+)
diff --git a/tools/build/Makefile.f
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 --deepest-idle-state that allows limiting
From: Tomas Glozar
Support limiting deepest idle state also for timerlat-hist.
Signed-off-by: Tomas Glozar
---
tools/tracing/rtla/src/timerlat_hist.c | 46 +-
1 file changed, 45 insertions(+), 1 deletion(-)
diff --git a/tools/tracing/rtla/src/timerlat_hist.c
b/tools/t
From: Tomas Glozar
Add --deepest-idle-state to manpage and mention libcpupower dependency
in README.txt.
Signed-off-by: Tomas Glozar
---
Documentation/tools/rtla/common_timerlat_options.rst | 8
tools/tracing/rtla/README.txt| 4
2 files changed, 12 inserti
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 | 140 +
too
From: Tomas Glozar
Add option to limit deepest idle state on CPUs where timerlat is running
for the duration of the workload.
Signed-off-by: Tomas Glozar
---
tools/tracing/rtla/src/timerlat_top.c | 46 ++-
1 file changed, 45 insertions(+), 1 deletion(-)
diff --git a/to
From: Tomas Glozar
If libcpupower is present, set HAVE_LIBCPUPOWER_SUPPORT macro to allow
features depending on libcpupower in rtla.
Signed-off-by: Tomas Glozar
---
tools/tracing/rtla/Makefile| 2 ++
tools/tracing/rtla/Makefile.config | 10 ++
2 files changed, 12 insertions(+)
From: Tomas Glozar
Add the ability to detect the presence of libcpupower on a system to
the Makefiles in tools/build.
Signed-off-by: Tomas Glozar
---
tools/build/Makefile.feature | 1 +
tools/build/feature/Makefile | 4
2 files changed, 5 insertions(+)
diff --git a/tools/build/Makefile.f
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 --deepest-idle-state that allows limiting t
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 insertio
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
b/tools/tracing
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 a/tools/t
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 +
too
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 idl
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