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/linux/kernel/gcov/
H A DKconfig2 menu "GCOV-based kernel profiling"
5 bool "Enable gcov-based kernel profiling"
11 This option enables gcov-based code profiling (e.g. for code coverage
16 Additionally specify CONFIG_GCOV_PROFILE_ALL=y to get profiling data
17 for the entire kernel. To enable profiling for specific files or
35 profiling data.
47 This options activates profiling for the entire kernel.
51 Note that a kernel compiled with profiling flags will be significantly
52 larger and run slower. Also be sure to exclude files from profiling
/linux/Documentation/ABI/testing/
H A Dsysfs-driver-panfrost-profiling1 What: /sys/bus/platform/drivers/panfrost/.../profiling
6 Get/set drm fdinfo's engine and cycles profiling status.
8 0: Don't enable fdinfo job profiling sources.
9 1: Enable fdinfo job profiling sources, this enables both the GPU's
H A Dsysfs-profiling1 What: /sys/kernel/profiling
5 /sys/kernel/profiling is the runtime equivalent
10 echo 2 > /sys/kernel/profiling
/linux/net/rds/
H A DKconfig31 bool "Enable GCOV profiling on RDS"
34 Enable GCOV profiling on RDS for checking which functions/lines
/linux/arch/m68k/
H A DKconfig.debug34 bool "Use fast second timer for profiling"
37 Use a fast secondary clock to produce profiling information.
/linux/Documentation/gpu/
H A Dpanfrost.rst44 query the fdinfo file must make sure to toggle the job profiling status of the
47 echo <N> > /sys/bus/platform/drivers/panfrost/[a-f0-9]*.gpu/profiling
/linux/Documentation/dev-tools/
H A Dgcov.rst4 gcov profiling kernel support enables the use of GCC's coverage testing
41 Note that kernels compiled with profiling flags will be significantly
54 To enable profiling for specific files or directories, add a line
84 Enables GCOV profiling on RDS for checking which functions or
133 The gcov kernel profiling infrastructure is designed to work out-of-the
209 Exclude affected source files from profiling by specifying
/linux/drivers/gpu/drm/panthor/
H A Dpanthor_sched.c489 } profiling; member
849 } profiling; member
933 panthor_kernel_bo_destroy(queue->profiling.slots); in group_free_queue()
3026 struct panthor_job_profiling_data *slots = queue->profiling.slots->kmap; in update_fdinfo_stats()
3027 struct panthor_job_profiling_data *data = &slots[job->profiling.slot]; in update_fdinfo_stats()
3030 if (job->profiling.mask & PANTHOR_DEVICE_PROFILING_CYCLES) in update_fdinfo_stats()
3032 if (job->profiling.mask & PANTHOR_DEVICE_PROFILING_TIMESTAMP) in update_fdinfo_stats()
3101 if (job->profiling.mask) in queue_check_job_completion()
3199 params->times_addr = panthor_kernel_bo_gpuva(queue->profiling.slots) + in get_job_cs_params()
3200 (job->profiling.slot * sizeof(struct panthor_job_profiling_data)); in get_job_cs_params()
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/linux/arch/mips/sibyte/
H A DKconfig126 a ZBbus error is detected. Cannot work if ZBbus profiling
132 tristate "Support for ZBbus profiling"
/linux/Documentation/features/debug/gcov-profile-all/
H A Darch-support.txt4 # description: arch supports whole-kernel GCOV code coverage profiling
/linux/scripts/
H A DMakefile.autofdo5 CFLAGS_AUTOFDO_CLANG := -fdebug-info-for-profiling -mllvm -enable-fs-discriminator=true -mllvm -improved-fs-discriminator=true
6 RUSTFLAGS_AUTOFDO_CLANG := $(if $(call rustc-min-version,109800),-Zdebuginfo-for-profiling,-Zdebug-info-for-profiling) -Cllvm-args=-enable-fs-discriminator=true -Cllvm-args=-improved-fs-discriminator=true
/linux/arch/x86/
H A DKbuild3 # Branch profiling isn't noinstr-safe. Disable it for arch/x86/*
/linux/arch/um/
H A DKconfig.debug7 This allows profiling of a User-Mode Linux kernel with the gprof
/linux/tools/perf/Documentation/
H A Dperf-amd-ibs.txt18 profiling support on AMD platforms. IBS has two independent components: IBS
45 regular core PMU might not help for profiling with instruction level
102 Latency value which is a multiple of 128 incurs a little less profiling
188 Latency value which is a multiple of 128 incurs a little less profiling
H A Dperf-sched.txt122 Next is the total profiling time in terms of jiffies:
217 While profiling was active, the load-balancer found 28490 times the load
222 profiling was active, hence it's all 0s.
H A Dperf-top.txt6 perf-top - System profiling tool.
121 Dump the symbol table used for profiling.
307 machines and profiling a workload that doesn't creates short lived threads and/or
/linux/Documentation/timers/
H A Dhighres.rst102 accounting, profiling, and high resolution timers.
109 - cpu local profiling
192 and calls update_process_times and profiling. The implementation of the hrtimer
195 timer and periodic events (jiffies tick, profiling, process accounting) on UP
243 frequency profiling, and a complete removal of jiffies in the future.
/linux/Documentation/mm/
H A Dindex.rst54 allocation-profiling
/linux/drivers/s390/block/
H A DKconfig27 Enable this option if you want to see profiling information
/linux/Documentation/arch/arm64/
H A Dtagged-pointers.rst49 address tags may suffer impaired or inaccurate debug and profiling
/linux/Documentation/trace/coresight/
H A Dcoresight-cpu-debug.rst19 The debug module provides sample-based profiling extension, which can be used
32 registers to decide if sample-based profiling is implemented or not. On some
/linux/kernel/trace/
H A DKconfig384 When a 1 is echoed into this file profiling begins, and when a
385 zero is entered, profiling stops. A "functions" file is created in
660 The branch profiling is a software profiler. It will add hooks
671 If unsure, choose "No branch profiling".
674 bool "No branch profiling"
676 No branch profiling. Branch profiling adds a bit of overhead.
1114 bool "Enable GCOV profiling on ftrace subsystem"
1117 Enable GCOV profiling on ftrace subsystem for checking
/linux/arch/arm64/boot/dts/arm/
H A Dfoundation-v8.dtsi91 compatible = "arm,statistical-profiling-extension-v1";
H A Dmorello.dtsi206 compatible = "arm,statistical-profiling-extension-v1";
/linux/arch/powerpc/platforms/ps3/
H A DKconfig168 profiling support of the Cell processor with programs like

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