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227ad32385
When events are grouped together, it'd be natural to show them at once
like in other mode. Handle group leaders with members to collect the
number of samples together and display like below:
$ perf annotate --data-type --group
...
Annotate type: 'struct page' in vmlinux (1 samples):
event[0] = cpu/mem-loads,ldlat=30/P
event[1] = cpu/mem-stores/P
event[2] = dummy:u
============================================================================
samples offset size field
1 0 0 0 64 struct page {
0 0 0 0 8 long unsigned int flags;
0 0 0 8 40 union {
0 0 0 8 40 struct {
0 0 0 8 16 union {
0 0 0 8 16 struct list_head lru {
0 0 0 8 8 struct list_head* next;
0 0 0 16 8 struct list_head* prev;
};
0 0 0 8 16 struct {
0 0 0 8 8 void* __filler;
0 0 0 16 4 unsigned int mlock_count;
};
0 0 0 8 16 struct list_head buddy_list {
0 0 0 8 8 struct list_head* next;
0 0 0 16 8 struct list_head* prev;
};
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.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: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: linux-toolchains@vger.kernel.org
Cc: linux-trace-devel@vger.kernel.org
Link: https://lore.kernel.org/r/20231213001323.718046-16-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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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 Restructured Text 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.