Masami Hiramatsu bae32b50ea perf tools: Fix map_groups__clone to put cloned map ...

Fix map_groups__clone to put cloned map after inserting it to the
map_groups.

Refcnt debugger shows:
  ----
  ==== [0] ====
  Unreclaimed map: 0x2a27ee0
  Refcount +1 => 1 at
    ./perf(map_groups__clone+0x8d) [0x4bb7ed]
    ./perf(thread__fork+0xbe) [0x4c1f9e]
    ./perf(machine__process_fork_event+0x216) [0x4b79a6]
    ./perf(perf_event__synthesize_threads+0x38b) [0x48135b]
    ./perf(cmd_top+0xdc6) [0x43cb76]
    ./perf() [0x477223]
    ./perf(main+0x617) [0x422077]
    /lib64/libc.so.6(__libc_start_main+0xf0) [0x7ff806af8fe0]
    ./perf() [0x4221ed]
  Refcount +1 => 2 at
    ./perf(map_groups__clone+0x128) [0x4bb888]
    ./perf(thread__fork+0xbe) [0x4c1f9e]
    ./perf(machine__process_fork_event+0x216) [0x4b79a6]
    ./perf(perf_event__synthesize_threads+0x38b) [0x48135b]
    ./perf(cmd_top+0xdc6) [0x43cb76]
    ./perf() [0x477223]
    ./perf(main+0x617) [0x422077]
    /lib64/libc.so.6(__libc_start_main+0xf0) [0x7ff806af8fe0]
    ./perf() [0x4221ed]
  Refcount -1 => 1 at
    ./perf(map_groups__exit+0x87) [0x4ba757]
    ./perf(map_groups__put+0x68) [0x4ba9a8]
    ./perf(thread__put+0x8b) [0x4c1aeb]
    ./perf(machine__delete_threads+0x81) [0x4b48f1]
    ./perf(perf_session__delete+0x4f) [0x4be63f]
    ./perf(cmd_top+0x1094) [0x43ce44]
    ./perf() [0x477223]
    ./perf(main+0x617) [0x422077]
    /lib64/libc.so.6(__libc_start_main+0xf0) [0x7ff806af8fe0]
    ./perf() [0x4221ed]
  ----

This shows map_groups__clone get the map twice and put it when
map_groups__exit.

Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20151209021120.10245.95388.stgit@localhost.localdomain
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

2015-12-09 13:41:58 -03:00

..

arch

perf tests: Pass the subtest index to each test routine

2015-11-19 13:19:15 -03:00

bench

perf bench: Use named initializers in the trailer too

2015-10-19 18:17:25 -03:00

config

perf bpf: Add BPF_PROLOGUE config options for further patches

2015-11-18 17:51:03 -03:00

Documentation

perf config: Add initial man page

2015-11-23 18:31:25 -03:00

python

perf python: Support the PERF_RECORD_SWITCH event

2015-10-07 19:41:50 -03:00

scripts

perf tools: Add more documentation to export-to-postgresql.py script

2015-09-28 16:53:07 -03:00

tests

perf test: Create kernel maps properly for hist entries test

2015-12-07 18:12:56 -03:00

trace/strace/groups

perf trace: Add read/write to the file group

2015-09-04 13:22:06 -03:00

ui

perf tui: Change default selection background color to yellow

2015-12-09 13:41:55 -03:00

util

perf tools: Fix map_groups__clone to put cloned map

2015-12-09 13:41:58 -03:00

.gitignore

perf tools: Add Intel PT instruction decoder

2015-08-17 11:11:36 -03:00

Build

perf tools: Add 'perf config' command

2015-11-23 18:31:24 -03:00

builtin-annotate.c

perf env: Rename some leftovers from rename to perf_env

2015-09-14 12:50:20 -03:00

builtin-bench.c

perf bench: Run benchmarks, don't test them

2015-10-19 16:10:25 -03:00

builtin-buildid-cache.c

perf buildid: Introduce sysfs/filename__sprintf_build_id

2015-08-28 14:53:50 -03:00

builtin-buildid-list.c

perf buildid-list: Fix return value of perf buildid-list -k

2015-12-07 12:02:10 -03:00

builtin-config.c

perf tools: Add 'perf config' command

2015-11-23 18:31:24 -03:00

builtin-data.c

perf data: Support using -f to override perf.data file ownership for 'convert'

2015-04-02 13:18:52 -03:00

builtin-diff.c

perf callchain: Allow disabling call graphs per event

2015-08-12 13:20:28 -03:00

builtin-evlist.c

perf tools: Introduce usage_with_options_msg()

2015-10-27 09:28:44 -03:00

builtin-help.c

perf help: Change 'usage' to 'Usage' for consistency

2015-10-19 16:51:44 -03:00

builtin-inject.c

perf inject: Also re-pipe lost_samples event

2015-11-13 12:23:12 -03:00

builtin-kmem.c

perf machine: Add method for common kernel_map(FUNCTION) operation

2015-09-30 18:34:29 -03:00

builtin-kvm.c

tools lib api fs: Replace debugfs/tracefs objects interface with fs.c

2015-09-14 12:50:15 -03:00

builtin-list.c

perf list: Do event name substring search as last resort when no events found

2015-10-01 12:12:22 -03:00

builtin-lock.c

perf machine: Protect the machine->threads with a rwlock

2015-05-08 16:19:27 -03:00

builtin-mem.c

perf mem: Fill in the missing session freeing after an error occurs

2015-07-01 17:53:49 -03:00

builtin-probe.c

perf tools: Introduce usage_with_options_msg()

2015-10-27 09:28:44 -03:00

builtin-record.c

perf record: Add clang options for compiling BPF scripts

2015-10-29 17:16:22 -03:00

builtin-report.c

perf report: Show error message when processing sample fails

2015-11-27 16:56:32 -03:00

builtin-sched.c

perf sched latency: Fix thread pid reuse issue

2015-11-05 12:51:00 -03:00

builtin-script.c

perf script: Pass perf_script into process_event

2015-11-26 16:06:16 -03:00

builtin-stat.c

perf stat: Move enable_on_exec setup under earlier code

2015-12-07 18:12:59 -03:00

builtin-timechart.c

perf tools: Elliminate alignment holes

2015-05-18 10:17:33 -03:00

builtin-top.c

perf tools: Improve call graph documents and help messages

2015-10-22 16:23:19 -03:00

builtin-trace.c

perf trace: Add cmd string table to decode sys_bpf first arg

2015-10-29 11:48:18 -03:00

builtin.h

perf tools: Add 'perf config' command

2015-11-23 18:31:24 -03:00

command-list.txt

perf tools: Add 'perf config' command

2015-11-23 18:31:24 -03:00

CREDITS

…

design.txt

perf tools: Update some code references in design.txt

2014-03-18 18:17:06 -03:00

Makefile

perf tools: Allow shuffling the build tests

2015-11-05 11:39:54 -03:00

Makefile.perf

perf build: Fix traceevent plugins build race

2015-11-26 13:35:38 -03:00

MANIFEST

tools: Adopt memdup() from tools/perf, moving it to tools/lib/string.c

2015-11-18 17:51:02 -03:00

perf-archive.sh

…

perf-completion.sh

perf tools: Avoid confusion with preloaded bash function for perf bash completion

2015-03-19 13:53:27 -03:00

perf-read-vdso.c

perf tools: Build programs to copy 32-bit compatibility

2014-10-29 10:32:48 -02:00

perf-sys.h

perf tools: Move generic barriers out of perf-sys.h

2015-05-08 16:05:08 -03:00

perf-with-kcore.sh

perf tools: Fix perf-with-kcore handling of arguments containing spaces

2015-08-06 16:48:27 -03:00

perf.c

perf tools: Add 'perf config' command

2015-11-23 18:31:24 -03:00

perf.h

perf record: Add ability to name registers to record

2015-08-31 18:01:33 -03:00