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Ravi Bangoria 00a23c000e perf mem: Describe overhead calculation in brief
Unlike perf-report which uses sample period for overhead calculation,
perf-mem overhead is calculated using sample weight. Describe perf-mem
overhead calculation method in it's man page.

Reviewed-by: Leo Yan <leo.yan@arm.com>
Signed-off-by: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: https://lore.kernel.org/r/20250523222157.1259998-1-namhyung@kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2025-05-28 14:41:10 -03:00
Documentation hid-for-linus-2025051501 2025-05-15 10:57:24 -07:00
LICENSES LICENSES: add 0BSD license text 2024-09-01 20:43:24 -07:00
arch Misc x86 fixes: 2025-05-17 08:43:51 -07:00
block SCSI fixes on 20250516 2025-05-16 10:28:22 -07:00
certs sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3 2024-09-20 19:52:48 +03:00
crypto crypto: scompress - increment scomp_scratch_users when already allocated 2025-04-25 10:33:30 +08:00
drivers dmaengine fixes for v6.15 2025-05-17 12:53:39 -07:00
fs two smb3 client fixes 2025-05-16 18:02:41 -07:00
include Nine singleton hotfixes, all MM. Four are cc:stable. 2025-05-17 10:56:52 -07:00
init init: remove unused CONFIG_CC_CAN_LINK_STATIC 2025-05-12 15:03:46 +09:00
io_uring io_uring/fdinfo: grab ctx->uring_lock around io_uring_show_fdinfo() 2025-05-14 07:15:28 -06:00
ipc treewide: const qualify ctl_tables where applicable 2025-01-28 13:48:37 +01:00
kernel Nine singleton hotfixes, all MM. Four are cc:stable. 2025-05-17 10:56:52 -07:00
lib hardening fixes for v6.15-rc3 2025-04-18 13:20:20 -07:00
mm Nine singleton hotfixes, all MM. Four are cc:stable. 2025-05-17 10:56:52 -07:00
net net: devmem: fix kernel panic when netlink socket close after module unload 2025-05-15 08:05:32 -07:00
rust rust: clean Rust 1.88.0's `clippy::uninlined_format_args` lint 2025-05-07 00:11:47 +02:00
samples tracing: samples: Initialize trace_array_printk() with the correct function 2025-05-12 13:07:22 -04:00
scripts kbuild: fix typos "module.builtin" to "modules.builtin" 2025-05-12 15:04:52 +09:00
security landlock: Improve bit operations in audit code 2025-05-12 11:38:53 +02:00
sound ALSA: usb-audio: Add sample rate quirk for Microdia JP001 USB Camera 2025-05-15 12:45:48 +02:00
tools perf mem: Describe overhead calculation in brief 2025-05-28 14:41:10 -03:00
usr usr/include: openrisc: don't HDRTEST bpf_perf_event.h 2025-05-12 15:03:17 +09:00
virt ARM: 2025-04-08 13:47:55 -07:00
.clang-format clang-format: Update the ForEachMacros list for v6.15-rc1 2025-04-13 11:03:59 +02:00
.clippy.toml rust: clean Rust 1.88.0's warning about `clippy::disallowed_macros` configuration 2025-05-07 00:11:47 +02:00
.cocciconfig
.editorconfig .editorconfig: remove trim_trailing_whitespace option 2024-06-13 16:47:52 +02:00
.get_maintainer.ignore MAINTAINERS: Retire Ralf Baechle 2024-11-12 15:48:59 +01:00
.gitattributes
.gitignore kbuild: Create intermediate vmlinux build with relocations preserved 2025-03-17 00:29:50 +09:00
.mailmap soc: fixes for 6.15, part 2 2025-05-14 09:11:05 -07:00
.rustfmt.toml
COPYING
CREDITS MAINTAINERS: update SLAB ALLOCATOR maintainers 2025-04-17 20:10:06 -07:00
Kbuild drm: ensure drm headers are self-contained and pass kernel-doc 2025-02-12 10:44:43 +02:00
Kconfig io_uring: Rename KConfig to Kconfig 2025-02-19 14:53:27 -07:00
MAINTAINERS Merge remote-tracking branch 'torvalds/master' into perf-tools-next 2025-05-19 11:12:36 -03:00
Makefile Linux 6.15-rc7 2025-05-18 13:57:29 -07:00
README README: Fix spelling 2024-03-18 03:36:32 -06:00

README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.