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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
H A Dpropeller.rst22 #. Propeller uses another round of profiling on top of
30 #. In addition to LLVM toolchain, Propeller requires a profiling
40 profiling tool, it is not part of the runtime image, nor does it
47 machines. This step is the same as profiling the kernel for AutoFDO
/linux/drivers/gpu/drm/panthor/
H A Dpanthor_sched.c496 } profiling; member
856 } profiling; member
927 panthor_kernel_bo_destroy(queue->profiling.slots); in group_free_queue()
2995 struct panthor_job_profiling_data *slots = queue->profiling.slots->kmap; in update_fdinfo_stats()
2996 struct panthor_job_profiling_data *data = &slots[job->profiling.slot]; in update_fdinfo_stats()
2999 if (job->profiling.mask & PANTHOR_DEVICE_PROFILING_CYCLES) in update_fdinfo_stats()
3001 if (job->profiling.mask & PANTHOR_DEVICE_PROFILING_TIMESTAMP) in update_fdinfo_stats()
3070 if (job->profiling.mask) in queue_check_job_completion()
3168 params->times_addr = panthor_kernel_bo_gpuva(queue->profiling.slots) + in get_job_cs_params()
3169 (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 -imp…
/linux/arch/x86/
H A DKbuild3 # Branch profiling isn't noinstr-safe. Disable it for arch/x86/*
/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
94 Latency value which is a multiple of 128 incurs a little less profiling
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/arch/um/
H A DKconfig.debug7 This allows profiling of a User-Mode Linux kernel with the gprof
/linux/Documentation/mm/
H A Dindex.rst41 allocation-profiling
/linux/drivers/s390/block/
H A DKconfig27 Enable this option if you want to see profiling information
/linux/kernel/
H A Dksysfs.c119 KERNEL_ATTR_RW(profiling);
/linux/Documentation/trace/coresight/
H A Dcoresight-perf.rst12 instructions that were traced for debugging or profiling purposes. You
86 profiling result. To mitigate the issue of excessive trace data, Perf
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 DKconfig380 When a 1 is echoed into this file profiling begins, and when a
381 zero is entered, profiling stops. A "functions" file is created in
657 The branch profiling is a software profiler. It will add hooks
668 If unsure, choose "No branch profiling".
671 bool "No branch profiling"
673 No branch profiling. Branch profiling adds a bit of overhead.
1099 bool "Enable GCOV profiling on ftrace subsystem"
1102 Enable GCOV profiling on ftrace subsystem for checking
/linux/Documentation/arch/arm64/
H A Dtagged-pointers.rst49 address tags may suffer impaired or inaccurate debug and profiling
/linux/arch/arm64/boot/dts/arm/
H A Dfoundation-v8.dtsi91 compatible = "arm,statistical-profiling-extension-v1";

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