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* tools lib traceevent: Add pevent_data_pid_from_comm()Steven Rostedt (Red Hat)2015-03-242-0/+95
| | | | | | | | | | | | | | | | | | There is a pevent_data_comm_from_pid() that returns the cmdline stored for a given pid in order for users to map pids to comms, but there's no method to convert a comm back to a pid. This is useful for filters that specify a comm instead of a PID (it's faster than searching each individual event). Add a way to retrieve a comm from a pid. Since there can be more than one pid associated to a comm, it returns a data structure that lets the user iterate over all the saved comms for a given pid. Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: http://lkml.kernel.org/r/20150324135923.001103479@goodmis.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* tools lib traceevent: Handle %z in bprint formatSteven Rostedt (Red Hat)2015-03-241-0/+4
| | | | | | | | | | | | | | The %z printf specifier was not handled making trace_printk()s in the kernel that used this break on output. Reported-by: Shawn Bohrer <shawn.bohrer@gmail.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Shawn Bohrer <shawn.bohrer@gmail.com> Link: http://lkml.kernel.org/r/20150324135922.844361717@goodmis.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* tools lib traceevent: Copy trace_clock and free itSteven Rostedt (Red Hat)2015-03-242-3/+9
| | | | | | | | | | | | | | | | | The pevent->trace_clock should not be a direct pointer to what was given. It should be copied and freed. Note, valgrind pointed this out when a caller passed in a pointer that needed to be freed and it never was. Ideally, pevent should copy it (which this change does), and free the copy. It's up to the caller to free the clock string passed in. Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: http://lkml.kernel.org/r/20150324135922.695906738@goodmis.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* tools lib traceevent: Handle NULL comm nameJosef Bacik2015-03-241-1/+4
| | | | | | | | | | | | | | | | | | It is possible that a pid has no associated comm attached to it, although it can still be passed to pevent_register_comm(). But if comm is NULL, it will cause strdup() to segfault. To prevent this from happening, if comm is NULL use the default "<...>" name for the pid. Signed-off-by: Josef Bacik <jbacik@fb.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: http://lkml.kernel.org/r/20150324135922.549965495@goodmis.org Link: http://lkml.kernel.org/p/1403799732-30308-1-git-send-email-jbacik@fb.com Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* tools lib traceevent: Factor out allocating and processing argsJavi Merino2015-03-241-37/+40
| | | | | | | | | | | | | | | | The sequence of allocating the print_arg field, calling process_arg() and verifying that the next event delimiter is repeated twice in process_hex() and will also be used for process_int_array(). Factor it out to a function to avoid writing the same code again and again. Signed-off-by: Javi Merino <javi.merino@arm.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Steven Rostedt <rostedt@goodmis.org> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/r/1426875176-30244-2-git-send-email-javi.merino@arm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* tools lib traceevent: Add destructor for format_fieldDavid Ahern2015-03-212-3/+9
| | | | | | | | | | | Move the calls that frees the resources allocated for a struct format_field to a separate routine. Signed-off-by: David Ahern <dsahern@gmail.com> Acked-by: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/r/1426790181-19118-1-git-send-email-dsahern@gmail.com [ Split this part from a larger patch, added pevent_ prefix as requested by Steven ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* Merge tag 'v4.0-rc1' into perf/core, to refresh the treeIngo Molnar2015-02-262-1/+2
|\ | | | | | | Signed-off-by: Ingo Molnar <mingo@kernel.org>
| * Merge branch 'perf-core-for-linus' of ↵Linus Torvalds2015-02-103-0/+374
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf updates from Ingo Molnar: "Kernel side changes: - AMD range breakpoints support: Extend breakpoint tools and core to support address range through perf event with initial backend support for AMD extended breakpoints. The syntax is: perf record -e mem:addr/len:type For example set write breakpoint from 0x1000 to 0x1200 (0x1000 + 512) perf record -e mem:0x1000/512:w - event throttling/rotating fixes - various event group handling fixes, cleanups and general paranoia code to be more robust against bugs in the future. - kernel stack overhead fixes User-visible tooling side changes: - Show precise number of samples in at the end of a 'record' session, if processing build ids, since we will then traverse the whole perf.data file and see all the PERF_RECORD_SAMPLE records, otherwise stop showing the previous off-base heuristicly counted number of "samples" (Namhyung Kim). - Support to read compressed module from build-id cache (Namhyung Kim) - Enable sampling loads and stores simultaneously in 'perf mem' (Stephane Eranian) - 'perf diff' output improvements (Namhyung Kim) - Fix error reporting for evsel pgfault constructor (Arnaldo Carvalho de Melo) Tooling side infrastructure changes: - Cache eh/debug frame offset for dwarf unwind (Namhyung Kim) - Support parsing parameterized events (Cody P Schafer) - Add support for IP address formats in libtraceevent (David Ahern) Plus other misc fixes" * 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (48 commits) perf: Decouple unthrottling and rotating perf: Drop module reference on event init failure perf: Use POLLIN instead of POLL_IN for perf poll data in flag perf: Fix put_event() ctx lock perf: Fix move_group() order perf: Fix event->ctx locking perf: Add a bit of paranoia perf symbols: Convert lseek + read to pread perf tools: Use perf_data_file__fd() consistently perf symbols: Support to read compressed module from build-id cache perf evsel: Set attr.task bit for a tracking event perf header: Set header version correctly perf record: Show precise number of samples perf tools: Do not use __perf_session__process_events() directly perf callchain: Cache eh/debug frame offset for dwarf unwind perf tools: Provide stub for missing pthread_attr_setaffinity_np perf evsel: Don't rely on malloc working for sz 0 tools lib traceevent: Add support for IP address formats perf ui/tui: Show fatal error message only if exists perf tests: Fix typo in sample-parsing.c ...
| * | tools/liblockdep: don't include host headersBaruch Siach2015-01-301-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | Adding host headers to include path may cause unexpected surprises when cross compiling. Remove /usr/local/include from the default include path. Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
| * | tools/liblockdep: ignore generated .so fileBaruch Siach2015-01-301-0/+1
| | | | | | | | | | | | | | | Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
* | | tools lib lockdep: Use tools build frameworkJiri Olsa2015-02-122-109/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move the lockdep library building under tools build framework. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexis Berlemont <alexis.berlemont@gmail.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: S. Lockwood-Childs <sjl@vctlabs.com> Cc: Sasha Levin <sasha.levin@oracle.com> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-i0t25buqyo5jfvzpw2347h1h@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* | | tools lib traceevent: Use tools build frameworkJiri Olsa2015-02-122-124/+62
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move the libtraceevent library building under tools build framework. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Tested-by: Will Deacon <will.deacon@arm.com> Cc: Alexis Berlemont <alexis.berlemont@gmail.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/n/tip-opvx59tcawlmm916lg4aff4h@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* | | tools lib api: Rename libapikfs.a to libapi.aJiri Olsa2015-02-124-11/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Renaming libapikfs.a to libapi.a, because it's not just 'fs' specific library now. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Tested-by: Will Deacon <will.deacon@arm.com> Cc: Alexis Berlemont <alexis.berlemont@gmail.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-g1mk5oj2ayq4vn653ovfg3gv@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* | | tools lib api: Use tools build frameworkJiri Olsa2015-02-124-36/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move the libapikfs library building under tools build framework. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Tested-by: Will Deacon <will.deacon@arm.com> Cc: Alexis Berlemont <alexis.berlemont@gmail.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-xjo8r7nuqy9mvlfrmx9zcfwb@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* | | tools lib api fs: Add {tracefs,debugfs}_configured() functionsSteven Rostedt (Red Hat)2015-02-075-0/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add tracefs_configured() to return true if tracefs is configured in the kernel (succeeds to find tracefs), and debugfs_configured() if debugfs is configured in the kernel (succeeds to find debugfs). Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: http://lkml.kernel.org/r/20150202193553.190606690@goodmis.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* | | tools lib api debugfs: Add DEBUGFS_DEFAULT_PATH macroSteven Rostedt (Red Hat)2015-02-071-3/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instead of hard coding "/sys/kernel/debug" everywhere, create a macro to hold where the default path exists. Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: http://lkml.kernel.org/r/20150202193553.032117017@goodmis.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* | | tools lib api fs: Add tracefs mount helper functionsSteven Rostedt (Red Hat)2015-02-073-0/+92
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since tracefs will now hold the event directory for perf, and even though by default, debugfs still mounts tracefs on the debugfs/tracing directory, the system admin may now choose to not mount debugfs and instead just mount tracefs instead. Having tracefs helper functions will facilitate having perf look for tracefs first, and then try debugfs as a fallback. Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: http://lkml.kernel.org/r/20150202193552.898934751@goodmis.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* | | tools lib fs: Add helper to find mounted file systemsSteven Rostedt (Red Hat)2015-02-075-54/+94
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In preparation for adding tracefs for perf to use, create a findfs helper utility that find_debugfs uses instead of hard coding the search in the code. This will allow for a find_tracefs to be used as well. Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: http://lkml.kernel.org/r/20150202193552.735023362@goodmis.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* | | perf tools: Do not check debugfs MAGIC for tracing filesSteven Rostedt (Red Hat)2015-02-072-15/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It's rather strange to be checking the debugfs MAGIC number for the tracing directory. A system admin may want to have a custom set of events to trace and it should be allowed to let the admin make a temp file (even for tracing virtual boxes, this is useful). Also with the coming tracefs, the files may not even be under debugfs, so checking the debugfs MAGIC number is pointless. Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: http://lkml.kernel.org/r/20150202193552.546175764@goodmis.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* | | tools lib traceevent: Introduce trace_seq_do_fprintf functionArnaldo Carvalho de Melo2015-02-062-4/+11
| |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | So that we can specify a FILE object where to direct the formatted output. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: David Ahern <dsahern@gmail.com> Cc: Don Zickus <dzickus@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/n/tip-a49bhdrx8851f04hppn8bqxq@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* | tools lib traceevent: Add support for IP address formatsDavid Ahern2015-01-261-0/+328
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add helpers for the following kernel formats: %pi4 print an IPv4 address with leading zeros %pI4 print an IPv4 address without leading zeros %pi6 print an IPv6 address without colons %pI6 print an IPv6 address with colons %pI6c print an IPv6 address in compressed form with colons %pISpc print an IP address from a sockaddr Allows these formats to be used in tracepoints. Quite a bit of this is adapted from code in lib/vsprintf.c. v4: - fixed pI6c description in git commit message per Valdis' comment v3: - use of 'c' and 'p' requires 'I' v2: - pass ptr+1 to print_ip_arg per Namhyung's comments - added field length checks to sockaddr function Signed-off-by: David Ahern <dsahern@gmail.com> Acked-by: Steven Rostedt <rostedt@goodmis.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: http://lkml.kernel.org/r/1418955071-36241-1-git-send-email-dsahern@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* | tools lib fs debugfs: Check if debugfs is mounted when handling ENOENTArnaldo Carvalho de Melo2015-01-221-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If debugfs was already mounted, then its a matter of not finding the tracepoint, tell the user that perhaps a CONFIG_ setting is not enabled. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: David Ahern <dsahern@gmail.com> Cc: Don Zickus <dzickus@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-6chfytoflyx3jwfqm7ebltu0@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* | tools lib fs debugfs: Introduce debugfs__strerror_open_tpArnaldo Carvalho de Melo2015-01-222-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There will be other cases where not just a tracepoint event is being opened below the debugfs mountpoint, but it is rather common, so provide one helper for that. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: David Ahern <dsahern@gmail.com> Cc: Don Zickus <dzickus@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-q6e6zct49ql6nbcw8kkg0lbj@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* | tools lib fs: Pass filename to debugfs__strerror_openArnaldo Carvalho de Melo2015-01-222-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It was hardcoded for one specific tracepoint, leftover from its initial user: 'perf trace'. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: David Ahern <dsahern@gmail.com> Cc: Don Zickus <dzickus@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-j1jicvwljy5qx1nah4mkmyke@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* | tools lib fs: Adopt debugfs open strerrno methodArnaldo Carvalho de Melo2015-01-222-0/+29
|/ | | | | | | | | | | | | | | | | As this is not specific to an evlist and may be used with other tools. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: David Ahern <dsahern@gmail.com> Cc: Don Zickus <dzickus@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-a9up9mivx1pzdf5tqrqsx62d@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> tools/perf/util/include/asm/hash.h
* perf tools: Fix statfs.f_type data type mismatch build error with uclibcAlexey Brodkin2015-01-162-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | ARC Linux uses the no legacy syscalls abi and corresponding uClibc headers statfs defines f_type to be U32 which causes perf build breakage http://git.uclibc.org/uClibc/tree/libc/sysdeps/linux/common-generic/bits/statfs.h ----------->8--------------- CC fs/fs.o fs/fs.c: In function 'fs__valid_mount': fs/fs.c:82:24: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare] else if (st_fs.f_type != magic) ^ cc1: all warnings being treated as errors ----------->8--------------- Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Borislav Petkov <bp@suse.de> Cc: Cody P Schafer <dev@codyps.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Vineet Gupta <Vineet.Gupta1@synopsys.com> Link: http://lkml.kernel.org/r/1420888254-17504-2-git-send-email-vgupta@synopsys.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* Merge branch 'liblockdep-fixes-3.19' of ↵Ingo Molnar2014-12-231-2/+2
|\ | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux into core/urgent Pull a liblockdep fix from Sasha Levin: "A small (but important) fix to the way we detect freeing live locks. We would pass a wrong memory region when testing for locks inside freed memory spaces, which would trigger false positives." Signed-off-by: Ingo Molnar <mingo@kernel.org>
| * tools/liblockdep: Fix debug_check thinko in mutex destroyKirill Smelkov2014-12-191-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In mutex destroy code currently we pass to debug_check_no_locks_freed() [mem_from, mem_end) address region. But debug_check_no_locks_freed() accepts mem_from, mem_*len* i.e. second parameter is region length, not end address. And it was always so, starting from 2006 (fbb9ce95 "lockdep: core"). Fix it, or else on a mutex destroy we wrongly check much-wider-than-mutex region and can find not-yet-released other locks there and wrongly report BUGs on them. Signed-off-by: Kirill Smelkov <kirr@nexedi.com> Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
* | tools lib: Move asm-generic/bitops/find.h code to tools/include and tools/libArnaldo Carvalho de Melo2014-12-171-0/+89
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | To match the Linux kernel source code structure from where this code came from. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: David Ahern <dsahern@gmail.com> Cc: Don Zickus <dzickus@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-fkbma1h04ki0zzdmp0dpgfyy@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* | Merge tag 'perf-core-for-mingo' of ↵Ingo Molnar2014-12-122-0/+37
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo: User visible changes: - Mark events as (x86 only) in help output for 'perf kvm stat live" (Alexander Yarygin) - Provide a better explanation when mmap fails in 'trace' (Arnaldo Carvalho de Melo) - Add --buildid-dir option to set cache directory, i.e. use: $ perf --buildid-dir /path/to/dir tool --tool-options (Jiri Olsa) - Fix memcpy/memset 'perf bench' output (Rabin Vicent) - Fix 'perf test' attr tests size values to cope with machine state on interrupt ABI changes (Jiri Olsa) - Fixup callchain type parameter handling error message (Kan Liang) Infrastructure changes and cleanups: - calloc/xcalloc: Fix argument order (Arjun Sreedharan) - Move filename__read_int from tools/perf/ to tools/lib, add sysctl__read_int there and use it in place of ad-hoc copies (Arnaldo Carvalho de Melo) - Use single strcmp call instead of two (Jiri Olsa) - Remove extra debugdir variables in 'perf buildid-cache' (Jiri Olsa) - Fix -a segfault related to kcore handling in 'perf buildid-cache' (Jiri Olsa) - Move cpumode resolve code to add_callchain_ip (Kan Liang) - Merge memset into memcpy 'perf bench' (Rabin Vincent) - Change print format from %lu to %PRIu64 in the hists browser (Tom Huynh) Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org>
| * | tools lib fs: Add sysctl__read_int helperArnaldo Carvalho de Melo2014-12-112-0/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Will come in handy for tools, see next patches. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: David Ahern <dsahern@gmail.com> Cc: Don Zickus <dzickus@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-nay9j62ztxpytt4ew1tkl4op@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| * | tools lib fs: Adopt filename__read_int from tools/perf/Arnaldo Carvalho de Melo2014-12-112-0/+23
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Will be useful for new helpers to read sysctl values. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: David Ahern <dsahern@gmail.com> Cc: Don Zickus <dzickus@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* | scsi: add SPC-3 command definitionsHannes Reinecke2014-11-241-1/+4
| | | | | | | | | | | | | | | | | | | | | | | | SPC-3 defines SERVICE ACTION IN(12), SERVICE_ACTION OUT(12), SERVICE ACTION OUT(16), and SERVICE ACTION BIDIRECTIONAL. And READ MEDIA SERIAL NUMBER has long since been deprecated. So update callers to refer to the new cdb name. Signed-off-by: Hannes Reinecke <hare@suse.de> Tested-by: Robert Elliott <elliott@hp.com> Reviewed-by: Robert Elliott <elliott@hp.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
* | scsi: rename SERVICE_ACTION_IN to SERVICE_ACTION_IN_16Hannes Reinecke2014-11-241-2/+2
|/ | | | | | | | | | | SPC-3 defines SERVICE ACTION IN(12) and SERVICE ACTION IN(16). So rename SERVICE_ACTION_IN to SERVICE_ACTION_IN_16 to be consistent with SPC and to allow for better distinction. Signed-off-by: Hannes Reinecke <hare@suse.de> Tested-by: Robert Elliott <elliott@hp.com> Reviewed-by: Robert Elliott <elliott@hp.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
* tools lib fd array: Allow associating an integer cookie with each entryArnaldo Carvalho de Melo2014-09-252-5/+39
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We will use this in perf's evlist class so that it can, at fdarray__filter() time, to unmap the associated ring buffer. We may need to have further info associated with each fdarray entry, in that case we'll make that int array a 'union fdarray_priv' one and put a pointer there so that users can stash whatever they want there. For now, an int is enough tho. v2: Add clarification to the per array entry priv area, as well as make it a union, which makes usage a bit longer, but if/when we make it use more space by allowing per entry pointers existing users source code will not have to be changed, just rebuilt. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jean Pihet <jean.pihet@linaro.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Link: http://lkml.kernel.org/n/tip-0p00bn83quck3fio3kcs9vca@git.kernel.org
* tools lib api: Adopt fdarray class from perf's evlistArnaldo Carvalho de Melo2014-09-253-1/+145
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The extensible file description array that grew in the perf_evlist class can be useful for other tools, as it is not something that only evlists need, so move it to tools/lib/api/fd to ease sharing it. v2: Don't use {} like in: libapi_dirs: $(QUIET_MKDIR)mkdir -p $(OUTPUT){fs,fd}/ in Makefiles, as it will not work in some systems, as in ubuntu13.10. v3: Add fd/*.[ch] to LIBAPIKFS_SOURCES (Fix from Jiri Olsa) v4: Leave the fcntl(fd, O_NONBLOCK) in the evlist layer, remains to be checked if it is really needed there, but has no place in the fdarray class (Fix from Jiri Olsa) v5: Remove evlist details from fdarray grow/filter tests. Improve it a bit doing more tests about expected internal state. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jean Pihet <jean.pihet@linaro.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/n/tip-kleuni3hckbc3s0lu6yb9x40@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* Merge tag 'v3.16-rc7' into perf/core, to merge in the latest fixes before ↵Ingo Molnar2014-07-283-17/+15
|\ | | | | | | | | | | applying new changes Signed-off-by: Ingo Molnar <mingo@kernel.org>
| * Merge branch 'liblockdep-fixes' of ↵Ingo Molnar2014-07-163-17/+15
| |\ | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux into locking/urgent Pull liblockdep fixes from Sasha Levin. Signed-off-by: Ingo Molnar <mingo@kernel.org>
| | * tools/liblockdep: Account for bitfield changes in lockdeps lock_acquireS. Lockwood-Childs2014-07-073-14/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit fb9edbe984 shortened held_lock->check from a 2-bit field to a 1-bit field. Make liblockdep compatible with the new definition by passing check=1 to lock_acquire() calls, rather than the old value check=2 (which inadvertently disabled checks by overflowing to 0). Without this fix, several of the test cases in liblockdep run_tests.sh were failing. Signed-off-by: S. Lockwood-Childs <sjl@vctlabs.com> Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
| | * tools/liblockdep: Remove debug print left over from developmentSasha Levin2014-07-071-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | Remove a debug print in init_preload() which was left over from development and isn't usefull at all currently. It was also causing false positive test results. Reported-by: S. Lockwood-Childs <sjl@vctlabs.com> Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
| | * tools/liblockdep: Fix comparison of a boolean value with a value of 2zhangdianfang2014-07-071-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Comparison of a boolean value (!__init_state) with a value of 2 (done) as currently happens in the code is unlikely to succeed and causes repeated initialization of the pthread function pointers. Instead, remove boolean comparison so that we would initialize said function pointers only once. Ref: https://bugzilla.kernel.org/show_bug.cgi?id=76741 Cc: Jean Delvare <jdelvare@suse.de> Reported-by: David Binderman <dcb314@hotmail.com> Signed-off-by: Dianfang Zhang <zhangdianfang@huawei.com> Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
* | | tools lib traceevent: Fix a risk for doing free on uninitialized pointerRickard Strandqvist2014-06-271-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix a risk of doing free on an uninitialized pointer. This was found using a static code analysis program called cppcheck. Acked-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se> Link: http://lkml.kernel.org/r/1403608150-13037-1-git-send-email-rickard_strandqvist@spectrumdigital.se Signed-off-by: Jiri Olsa <jolsa@kernel.org>
* | | tools lib traceevent: Clean up format of args in jbd2 pluginSteven Rostedt2014-06-191-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While synchronizing what's in trace-cmd vs what's in perf, I came across a change that was made when entering the jbd2 plugin into the tools/lib/traceevent directory. For example, one of the function prototypes went from: unsigned long long process_jbd2_dev_to_name(struct trace_seq *s, unsigned long long *args) to: static unsigned long long process_jbd2_dev_to_name(struct trace_seq *s, unsigned long long *args) I can understand the line break after the long long, but there's no reason to keep args on a separate line. Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/r/20140612204144.018410d4@gandalf.local.home Signed-off-by: Jiri Olsa <jolsa@kernel.org>
* | | tools lib traceevent: Clean up format of args in cfg80211 pluginSteven Rostedt2014-06-191-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While synchronizing what's in trace-cmd vs what's in perf, I came across a change that was made when entering the cfg80211 plugin into the tools/lib/traceevent directory. The function prototype went from: static unsigned long long process___le16_to_cpup(struct trace_seq *s, unsigned long long *args) to: static unsigned long long process___le16_to_cpup(struct trace_seq *s, unsigned long long *args) I can understand the line break after the long long, but there's no reason to keep args on a separate line. Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/r/20140612194420.24073744@gandalf.local.home Signed-off-by: Jiri Olsa <jolsa@kernel.org>
* | | tools lib traceevent: Fix format in plugin_kvmSteven Rostedt2014-06-191-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The format field argument passed to the format in pevent_print_num_field() will be of type long long. That means that %ll must be used instead of %l. Acked-by: Namhyung Kim <namhyung@kernel.org> Reported-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/r/20140613103127.1a9bdee7@gandalf.local.home Signed-off-by: Jiri Olsa <jolsa@kernel.org>
* | | tools lib traceevent: Fix and cleanup kvm_nested_vmexit tracepointsJan Kiszka2014-06-191-12/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix several issues of kvm_nested_vmexit[_inject]: field width aren't supported with pevent_print, rip was printed twice/incorrectly, SVM ISA was hard-coded, we don't use ':' to separate field names. Link: http://lkml.kernel.org/r/8e6c02b22ea8136c139a91c69d6cc73b8c5c184b.1388855989.git.jan.kiszka@web.de Acked-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Jiri Olsa <jolsa@kernel.org>
* | | tools lib traceevent: Add back in kvm plugins nested_vmexit eventsSteven Rostedt (Red Hat)2014-06-191-0/+41
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The nested vmexit events were removed from the backport from trace-cmd because they were considered buggy. They have since been updated in trace-cmd but are still missing from the traceevent library. Add back in the buggy version to be able to backport the fixes. Acked-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/r/20140613021157.291421941@goodmis.org Signed-off-by: Jiri Olsa <jolsa@kernel.org>
* | | tools lib traceevent: Factor out print_exit_reason in kvm pluginJan Kiszka2014-06-191-4/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We will reuse it for nested vmexit tracepoints. Link: http://lkml.kernel.org/r/619c418c8af87f03027b8c8013b0443996605700.1388855989.git.jan.kiszka@web.de Acked-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Jiri Olsa <jolsa@kernel.org>
* | | tools lib traceevent: Report unknown VMX exit reasons with codeJan Kiszka2014-06-191-4/+8
|/ / | | | | | | | | | | | | | | | | | | | | | | Allows to parse the result even if the KVM plugin does not yet understand a specific exit code. Link: http://lkml.kernel.org/r/5207446F.1090703@web.de Acked-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Jiri Olsa <jolsa@kernel.org>
* | tools lib traceevent: Added support for __get_bitmask() macroSteven Rostedt (Red Hat)2014-06-072-0/+120
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Coming in v3.16, trace events will be able to save bitmasks in raw format in the ring buffer and output it with the __get_bitmask() macro. In order for userspace tools to parse this, it must be able to handle the __get_bitmask() call and be able to convert the data that's in the ring buffer into a nice bitmask format. The output is similar to what the kernel uses to print bitmasks, with a comma separator every 4 bytes (8 characters). This allows for cpumasks to also be saved efficiently. The first user is the thermal:thermal_power_limit event which has the following output: thermal_power_limit: cpus=0000000f freq=1900000 cdev_state=0 power=5252 Link: http://lkml.kernel.org/r/20140506132238.22e136d1@gandalf.local.home Suggested-by: Javi Merino <javi.merino@arm.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Acked-by: Namhyung Kim <namhyung@kernel.org> Tested-by: Javi Merino <javi.merino@arm.com> Link: http://lkml.kernel.org/r/20140603032224.229186537@goodmis.org Signed-off-by: Jiri Olsa <jolsa@kernel.org>
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