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- C 96.9%
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cf57cf51d7
Seen in "perf stat --bpf-counters --for-each-cgroup test" running in a
container:
libbpf: Failed to bump RLIMIT_MEMLOCK (err = -1), you might need to do it explicitly!
libbpf: Error in bpf_object__probe_loading():Operation not permitted(1). Couldn't load trivial BPF program. Make sure your kernel supports BPF (CONFIG_BPF_SYSCALL=y) and/or that RLIMIT_MEMLOCK is set to big enough value.
libbpf: failed to load object 'bperf_cgroup_bpf'
libbpf: failed to load BPF skeleton 'bperf_cgroup_bpf': -1
Failed to load cgroup skeleton
#0 0x55f28a650981 in list_empty tools/include/linux/list.h:189
#1 0x55f28a6593b4 in evsel__exit util/evsel.c:1518
#2 0x55f28a6596af in evsel__delete util/evsel.c:1544
#3 0x55f28a89d166 in bperf_cgrp__destroy util/bpf_counter_cgroup.c:283
#4 0x55f28a899e9a in bpf_counter__destroy util/bpf_counter.c:816
#5 0x55f28a659455 in evsel__exit util/evsel.c:1520
#6 0x55f28a6596af in evsel__delete util/evsel.c:1544
#7 0x55f28a640d4d in evlist__purge util/evlist.c:148
#8 0x55f28a640ea6 in evlist__delete util/evlist.c:169
#9 0x55f28a4efbf2 in cmd_stat tools/perf/builtin-stat.c:2598
#10 0x55f28a6050c2 in run_builtin tools/perf/perf.c:330
#11 0x55f28a605633 in handle_internal_command tools/perf/perf.c:384
#12 0x55f28a6059fb in run_argv tools/perf/perf.c:428
#13 0x55f28a6061d3 in main tools/perf/perf.c:562
Signed-off-by: Ian Rogers <irogers@google.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Florian Fischer <florian.fischer@muhq.space>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20230410205659.3131608-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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| 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 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.