[GIT PULL 00/29] perf/core improvements and fixes
Ingo Molnar
mingo at kernel.org
Wed Dec 21 06:15:20 AEDT 2016
* Arnaldo Carvalho de Melo <acme at kernel.org> wrote:
> Hi Ingo,
>
> Please consider pulling, I had most of this queued before your first
> pull req to Linus for 4.10, most are fixes, with 'perf sched timehist --idle'
> as a followup new feature to the 'perf sched timehist' command introduced in
> this window.
>
> One other thing that delayed this was the samples/bpf/ switch to
> tools/lib/bpf/ that involved fixing up merge clashes with net.git and also
> to properly test it, after more rounds than antecipated, but all seems ok
> now and would be good to get this merge issues past us ASAP.
>
> - Arnaldo
>
> Test results at the end of this message, as usual.
>
> The following changes since commit e7aa8c2eb11ba69b1b69099c3c7bd6be3087b0ba:
>
> Merge tag 'docs-4.10' of git://git.lwn.net/linux (2016-12-12 21:58:13 -0800)
>
> are available in the git repository at:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git tags/perf-core-for-mingo-20161220
>
> for you to fetch changes up to 9899694a7f67714216665b87318eb367e2c5c901:
>
> samples/bpf: Move open_raw_sock to separate header (2016-12-20 12:00:40 -0300)
>
> ----------------------------------------------------------------
> perf/core improvements and fixes:
>
> New features:
>
> - Introduce 'perf sched timehist --idle', to analyse processes
> going to/from idle state (Namhyung Kim)
>
> Fixes:
>
> - Allow 'perf record -u user' to continue when facing races with threads
> going away after having scanned them via /proc (Jiri Olsa)
>
> - Fix 'perf mem' --all-user/--all-kernel options (Jiri Olsa)
>
> - Support jumps with multiple arguments (Ravi Bangoria)
>
> - Fix jumps to before the function where they are located (Ravi
> Bangoria)
>
> - Fix lock-pi help string (Davidlohr Bueso)
>
> - Fix build of 'perf trace' in odd systems such as a RHEL PPC one (Jiri Olsa)
>
> - Do not overwrite valid build id in 'perf diff' (Kan Liang)
>
> - Don't throw error for zero length symbols, allowing the use of the TUI
> in PowerPC, where such symbols became more common recently (Ravi Bangoria)
>
> Infrastructure:
>
> - Switch of samples/bpf/ to use tools/lib/bpf, removing libbpf
> duplication (Joe Stringer)
>
> - Move headers check into bash script (Jiri Olsa)
>
> Signed-off-by: Arnaldo Carvalho de Melo <acme at redhat.com>
>
> ----------------------------------------------------------------
> Arnaldo Carvalho de Melo (3):
> perf tools: Remove some needless __maybe_unused
> samples/bpf: Make perf_event_read() static
> samples/bpf: Be consistent with bpf_load_program bpf_insn parameter
>
> Davidlohr Bueso (1):
> perf bench futex: Fix lock-pi help string
>
> Jiri Olsa (7):
> perf tools: Move headers check into bash script
> perf mem: Fix --all-user/--all-kernel options
> perf evsel: Use variable instead of repeating lengthy FD macro
> perf thread_map: Add thread_map__remove function
> perf evsel: Allow to ignore missing pid
> perf record: Force ignore_missing_thread for uid option
> perf trace: Check if MAP_32BIT is defined (again)
>
> Joe Stringer (8):
> tools lib bpf: Sync {tools,}/include/uapi/linux/bpf.h
> tools lib bpf: use __u32 from linux/types.h
> tools lib bpf: Add flags to bpf_create_map()
> samples/bpf: Make samples more libbpf-centric
> samples/bpf: Switch over to libbpf
> tools lib bpf: Add bpf_prog_{attach,detach}
> samples/bpf: Remove perf_event_open() declaration
> samples/bpf: Move open_raw_sock to separate header
>
> Kan Liang (1):
> perf diff: Do not overwrite valid build id
>
> Namhyung Kim (6):
> perf sched timehist: Split is_idle_sample()
> perf sched timehist: Introduce struct idle_time_data
> perf sched timehist: Save callchain when entering idle
> perf sched timehist: Skip non-idle events when necessary
> perf sched timehist: Add -I/--idle-hist option
> perf sched timehist: Show callchains for idle stat
>
> Ravi Bangoria (3):
> perf annotate: Support jump instruction with target as second operand
> perf annotate: Fix jump target outside of function address range
> perf annotate: Don't throw error for zero length symbols
>
> samples/bpf/Makefile | 70 +--
> samples/bpf/README.rst | 4 +-
> samples/bpf/bpf_load.c | 21 +-
> samples/bpf/bpf_load.h | 3 +
> samples/bpf/fds_example.c | 13 +-
> samples/bpf/lathist_user.c | 2 +-
> samples/bpf/libbpf.c | 176 -------
> samples/bpf/libbpf.h | 28 +-
> samples/bpf/lwt_len_hist_user.c | 6 +-
> samples/bpf/offwaketime_user.c | 8 +-
> samples/bpf/sampleip_user.c | 7 +-
> samples/bpf/sock_example.c | 14 +-
> samples/bpf/sock_example.h | 35 ++
> samples/bpf/sockex1_user.c | 7 +-
> samples/bpf/sockex2_user.c | 5 +-
> samples/bpf/sockex3_user.c | 5 +-
> samples/bpf/spintest_user.c | 8 +-
> samples/bpf/tc_l2_redirect_user.c | 4 +-
> samples/bpf/test_cgrp2_array_pin.c | 4 +-
> samples/bpf/test_cgrp2_attach.c | 12 +-
> samples/bpf/test_cgrp2_attach2.c | 8 +-
> samples/bpf/test_cgrp2_sock.c | 7 +-
> samples/bpf/test_current_task_under_cgroup_user.c | 8 +-
> samples/bpf/test_lru_dist.c | 32 +-
> samples/bpf/test_probe_write_user_user.c | 2 +-
> samples/bpf/trace_event_user.c | 23 +-
> samples/bpf/trace_output_user.c | 7 +-
> samples/bpf/tracex2_user.c | 10 +-
> samples/bpf/tracex3_user.c | 4 +-
> samples/bpf/tracex4_user.c | 4 +-
> samples/bpf/tracex6_user.c | 5 +-
> samples/bpf/xdp1_user.c | 2 +-
> samples/bpf/xdp_tx_iptunnel_user.c | 6 +-
> tools/include/uapi/linux/bpf.h | 593 +++++++++++++---------
> tools/lib/bpf/bpf.c | 30 +-
> tools/lib/bpf/bpf.h | 9 +-
> tools/lib/bpf/libbpf.c | 3 +-
> tools/perf/Documentation/perf-sched.txt | 4 +
> tools/perf/Makefile.perf | 94 +---
> tools/perf/bench/futex-lock-pi.c | 2 +-
> tools/perf/builtin-c2c.c | 13 +-
> tools/perf/builtin-mem.c | 4 +-
> tools/perf/builtin-record.c | 3 +
> tools/perf/builtin-report.c | 2 +-
> tools/perf/builtin-sched.c | 261 ++++++++--
> tools/perf/builtin-stat.c | 6 +-
> tools/perf/check-headers.sh | 59 +++
> tools/perf/perf.h | 1 +
> tools/perf/tests/builtin-test.c | 4 +
> tools/perf/tests/tests.h | 1 +
> tools/perf/tests/thread-map.c | 44 ++
> tools/perf/trace/beauty/mmap.c | 2 +
> tools/perf/ui/browsers/annotate.c | 5 +-
> tools/perf/util/annotate.c | 23 +-
> tools/perf/util/annotate.h | 5 +-
> tools/perf/util/evsel.c | 61 ++-
> tools/perf/util/evsel.h | 1 +
> tools/perf/util/symbol.c | 3 +-
> tools/perf/util/thread_map.c | 22 +
> tools/perf/util/thread_map.h | 1 +
> 60 files changed, 1075 insertions(+), 731 deletions(-)
> delete mode 100644 samples/bpf/libbpf.c
> create mode 100644 samples/bpf/sock_example.h
> create mode 100755 tools/perf/check-headers.sh
Pulled, thanks a lot Arnaldo!
Ingo
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