- 11 Apr, 2012 11 commits
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Robert Richter authored
This references are not exported, use static declaration. Signed-off-by:
Robert Richter <robert.richter@amd.com> Cc: Ingo Molnar <mingo@kernel.org> Link: http://lkml.kernel.org/r/1333643188-26895-4-git-send-email-robert.richter@amd.comSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Namhyung Kim authored
Move those files to new directory in order to be prepared to further UI work. Makefile and header file pathes are adjusted accordingly. Also fix a build breakage if NO_GTK2=1 is given. Signed-off-by:
Namhyung Kim <namhyung.kim@lge.com> Suggested-by:
Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Acked-by:
Pekka Enberg <penberg@kernel.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: Namhyung Kim <namhyung.kim@lge.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Pekka Enberg <penberg@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl Link: http://lkml.kernel.org/r/1333523765-12092-1-git-send-email-namhyung.kim@lge.comSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Namhyung Kim authored
Move those files to new directory in order to be prepared to further UI work. Makefile and header file pathes are adjusted accordingly. Signed-off-by:
Namhyung Kim <namhyung.kim@lge.com> Suggested-by:
Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Acked-by:
Pekka Enberg <penberg@kernel.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: Namhyung Kim <namhyung.kim@lge.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Pekka Enberg <penberg@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl Link: http://lkml.kernel.org/r/1333523666-12057-1-git-send-email-namhyung.kim@lge.comSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Namhyung Kim authored
CC util/annotate.o util/annotate.c: In function symbol__annotate: util/annotate.c:87:16: error: parsed_line may be used uninitialized in this function [-Werror=maybe-uninitialized] util/annotate.c:211:22: note: parsed_line was declared here cc1: all warnings being treated as errors make: *** [util/annotate.o] Error 1 make: *** Waiting for unfinished jobs.... Signed-off-by:
Namhyung Kim <namhyung.kim@lge.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Ashay Rane <ashay.rane@tacc.utexas.edu> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/87ty0tlv4i.fsf@dasan.aot.lge.comSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Jiri Olsa authored
Currently the parsers objects (bison/flex related) are each time perf is built. No matter the generated files are already in place, the parser generation is executed every time. Changing the rules to have proper flex/bison objects generation dependencies. The parsers code is not rebuilt until the flex/bison source files are touched. Also when flex/bison source is changed, only dependent objects are rebuilt. Signed-off-by:
Jiri Olsa <jolsa@redhat.com> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1334140791-3024-1-git-send-email-jolsa@redhat.comSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Borislav Petkov authored
Now you can do $ make tools/<toolname> from the toplevel kernel directory and have the respective tool built. If you want to build and install it, do $ make tools/<toolname>_install $ make tools/<toolname>_clean should clean the respective tool directories. If you want to clean all in tools, simply do $ make tools/clean Also, if you want to get what the possible targets are, simply calling $ make tools/ should give you the short help. $ make tools/install installs all tools, of course. Doh. Signed-off-by:
Borislav Petkov <borislav.petkov@amd.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Michal Marek <mmarek@suse.cz> Cc: Sam Ravnborg <sam@ravnborg.org> Link: http://lkml.kernel.org/r/1334162178-17152-6-git-send-email-bp@amd64.orgSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Borislav Petkov authored
... and make it the default one so that calling 'make' without arguments in the tools/ directory gives you the possible targets to build along with a short description of what they are. Signed-off-by:
Borislav Petkov <borislav.petkov@amd.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Michal Marek <mmarek@suse.cz> Cc: Sam Ravnborg <sam@ravnborg.org> Link: http://lkml.kernel.org/r/1334162178-17152-5-git-send-email-bp@amd64.orgSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Borislav Petkov authored
Add a Makefile with all the targets under tools/. Signed-off-by:
Borislav Petkov <borislav.petkov@amd.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Michal Marek <mmarek@suse.cz> Cc: Sam Ravnborg <sam@ravnborg.org> Link: http://lkml.kernel.org/r/1334162178-17152-4-git-send-email-bp@amd64.orgSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Borislav Petkov authored
Use += instead of the bash syntax, as Sam Ravnborg suggests. Also, sort the -W options alphabetically and (... keep them sorted). Suggested-by:
Sam Ravnborg <sam@ravnborg.org> Signed-off-by:
Borislav Petkov <borislav.petkov@amd.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Michal Marek <mmarek@suse.cz> Cc: Sam Ravnborg <sam@ravnborg.org> Link: http://lkml.kernel.org/r/1334162178-17152-3-git-send-email-bp@amd64.orgSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Borislav Petkov authored
Put generic enough build settings which could be reused by other tools into a common Makefile.include file. This commit reintroduces QUIET_SUBDIR{0,1} (see a3d1ee10) which are going to be used in the following patches. Signed-off-by:
Borislav Petkov <borislav.petkov@amd.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Michal Marek <mmarek@suse.cz> Cc: Sam Ravnborg <sam@ravnborg.org> Link: http://lkml.kernel.org/r/1334162178-17152-2-git-send-email-bp@amd64.orgSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Namhyung Kim authored
The commit 65f3e56e ("perf tools: Remove auto-generated bison/flex files") removed those files from git, so they'll be listed on untracked files after building perf. Fix it. Signed-off-by:
Namhyung Kim <namhyung.kim@lge.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1333948274-20043-1-git-send-email-namhyung.kim@lge.comSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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- 07 Apr, 2012 8 commits
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Arnaldo Carvalho de Melo authored
Using the same keystrokes as vim: / = search forward n = search next forward/backwards ? = search backwards Still needs to continue from start/end when not found, use HOME + / or END + ? for now. At some point we need a keybindings file to support ones favourite mode, erm, like EMACS, etc. Also we now need a 'h' window with all these keybindings. Requested-by:
Andi Kleen <andi@firstfloor.org> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> 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-rv30xj2i258n0gwkzlu0c0bc@git.kernel.orgSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Ashay Rane authored
This patch prints the number of samples and the count of performance events separately. This allows comparing performance of different applications with each other. Previously, the sample count was displayed against an 'Events:' heading. With this patch, the header now reads (for example): Samples: 5K of event 'instructions' Event count (approx.): 2993026545 The patch covers both the stdio and the browser interface. Signed-off-by:
Ashay Rane <ashay.rane@tacc.utexas.edu> [ committer note: Fixed wrt e7f01d1e ] Link: http://lkml.kernel.org/n/tip-h4nfjm8msedlk8gxkzivfh5y@git.kernel.orgSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Arnaldo Carvalho de Melo authored
Now it is possible to press ENTER or -> (right arrow) on jump instructions to navigate to the offset it points to. More work needed to support <- to go back, i.e. a jump history. This is done just like the callq case, i.e. parsing objdump output lines, but should move to use Masami's disassembler at some point. Suggested-by:
Linus Torvalds <torvalds@linux-foundation.org> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> 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-706qqe2xibeiocuabp39mby7@git.kernel.orgSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Arnaldo Carvalho de Melo authored
From the hit sorted rb_tree, so that we can use it in the upcoming jump instruction support. Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> 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-44a7kl2atf9jxlg9npmotzdg@git.kernel.orgSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Arnaldo Carvalho de Melo authored
So that we can as well handle jumps. Later we'll move this to a proper intruction table, etc. Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> 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-i98elvmix2cw6t8stu1iagfd@git.kernel.orgSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Arnaldo Carvalho de Melo authored
The lines in objdump have this format: ffffffff8126543f: jne ffffffff81265494 <__list_del_entry+0x84> <SNIP> ffffffff81265494: mov %rdi,%rcx Since we now have objdump_line allowing tools to print the offset independently from the rest of the line, allow toggling a view where just offsets from the start of the function are shown: 2f: jne ffffffff81265494 <__list_del_entry+0x84> <SNIP> 84: mov %rdi,%rcx The offset view will be the default as soon as operations that deal with offsets in a function are handled accodringly, i.e. in offset view the above will become: 2f: jne __list_del_entry+0x84 <SNIP> 84: mov %rdi,%rcx And then a follow up patch will allow navigating thru jumps, just like we handle callq instructions. Suggested-by:
Linus Torvalds <torvalds@linux-foundation.org> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> 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-4zpgimmz8xv7b5c920el7s45@git.kernel.orgSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Arnaldo Carvalho de Melo authored
And by default use "magenta" for it. Both the --stdio and --tui routines follow the same semantics. Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> 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-ede5zkaf7oorwvbqjezb4yg4@git.kernel.orgSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Arnaldo Carvalho de Melo authored
Tools that want to change parts of the line to a different color and then restore the previous one will use this, starting with the annotate browser that will change the color of addresses if not on the current entry, i.e. the selected one. Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> 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-uiajpevhxo4mzrvna6remb4a@git.kernel.orgSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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- 05 Apr, 2012 5 commits
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Arnaldo Carvalho de Melo authored
This routine was checking only if the provided address was after sym->end, not if it was before sym->start. Fix that by checking for both and return in both cases -ERANGE, so that tools can communicate this to the user properly, or if they chose so, to abort. This problem was reported previously but the fixes involved either doing what was being done for the > end case, i.e. silently drop the sample, returning 0, or aborting at this function, which is in a lib (or better, is slated to be at some point) and shouldn't abort. The 'report' tool already checks this value and uses pr_debug to warn the user. This patch makes the 'top' tool check it too and warn once per map where such range problem takes place. Reported-by:
David Miller <davem@davemloft.net> Reported-by:
Sorin Dumitru <dumitru.sorin87@gmail.com> Reported-by:
Stephane Eranian <eranian@google.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/n/tip-lw8gs7p9i9nhldilo82tzpne@git.kernel.orgSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Jiri Olsa authored
If there's an event with no samples in data file, the perf report command can segfault after entering the event details menu. Following steps reproduce the issue: # ./perf record -e syscalls:sys_enter_kexec_load,syscalls:sys_enter_mmap ls # ./perf report # enter '0 syscalls:sys_enter_kexec_load' menu # pres ENTER twice Above steps are valid assuming ls wont run kexec.. ;) The check for sellection to be NULL is missing. The fix makes sure it's being check. Above steps now endup with menu being displayed allowing 'Exit' as the only option. Signed-off-by:
Jiri Olsa <jolsa@redhat.com> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1333570898-10505-2-git-send-email-jolsa@redhat.comSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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David Miller authored
When a process exec()'s, all the maps are retired, but we keep the hist entries around which hold references to those outdated maps. If the same library gets mapped in for which we have hist entries, a new map will be created. But when we take a perf entry hit within that map, we'll find the existing hist entry with the older map. This causes symbol translations to be done incorrectly. For example, the perf entry processing will lookup the correct uptodate map entry and use that to calculate the symbol and DSO relative address. But later when we update the histogram we'll translate the address using the outdated map file instead leading to conditions such as out-of-range offsets in symbol__inc_addr_samples(). Therefore, update the map of the hist_entry dynamically at lookup/ creation time. Signed-off-by:
David S. Miller <davem@davemloft.net> Cc: stable@kernel.org Link: http://lkml.kernel.org/r/20120327.031418.1220315351537060808.davem@davemloft.netSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Arnaldo Carvalho de Melo authored
We were only decaying the entries for the offsets that were associated with an objdump line. That way, when we accrued the whole instruction addr range, more than 100% was appearing in some cases in the live annotation TUI. Fix it by not traversing the source code line at all, just iterate thru the complete addr range decaying each one. Reported-by:
Mike Galbraith <mgalbraith@suse.de> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> 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-hcae5oxa22syjrnalsxz7s6n@git.kernel.orgSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Arnaldo Carvalho de Melo authored
TODO: Accrue the cycles in the skip_list to an idle total, and show this on the 'top' UI, as suggested by Steven. Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/n/tip-9nfecmgghgl5747rjxqpc28f@git.kernel.orgSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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- 04 Apr, 2012 1 commit
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Markus Trippelsdorf authored
On a system running glibc trunk perf doesn't build: CC builtin-sched.o builtin-sched.c: In function ‘get_cpu_usage_nsec_parent’: builtin-sched.c:399:16: error: storage size of ‘ru’ isn’t known builtin-sched.c:403:2: error: implicit declaration of function ‘getrusage’ [-Werror=implicit-function-declaration] [...] Fix it by including sys/resource.h. Signed-off-by:
Markus Trippelsdorf <markus@trippelsdorf.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/20120404084527.GA294@x4Signed-off-by:
Ingo Molnar <mingo@kernel.org>
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- 03 Apr, 2012 1 commit
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Peter Zijlstra authored
Steven reported his P4 not booting properly, the missing format attributes cause a NULL ptr deref. Cure this by adding the missing format specification. I took the format description out of the comment near p4_config_pack*() and hope that comment is still relatively accurate. Reported-by:
Steven Rostedt <rostedt@goodmis.org> Reported-by:
Bruno Prémont <bonbons@linux-vserver.org> Tested-by:
Steven Rostedt <rostedt@goodmis.org> Signed-off-by:
Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Cyrill Gorcunov <gorcunov@openvz.org> Cc: Lin Ming <ming.m.lin@intel.com> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1332859842.16159.227.camel@twinsSigned-off-by:
Ingo Molnar <mingo@kernel.org>
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- 31 Mar, 2012 2 commits
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Oleg Nesterov authored
1. TRACE_EVENT(sched_process_exec) forgets to actually use the old pid argument, it sets ->old_pid = p->pid. 2. search_binary_handler() uses the wrong pid number. tracepoint needs the global pid_t from the root namespace, while old_pid is the virtual pid number as it seen by the tracer/parent. With this patch we have two pid_t's in search_binary_handler(), not really nice. Perhaps we should switch to "struct pid*", but in this case it would be better to cleanup the current code first and move the "depth == 0" code outside. Signed-off-by:
Oleg Nesterov <oleg@redhat.com> Cc: David Smith <dsmith@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Denys Vlasenko <dvlasenk@redhat.com> Link: http://lkml.kernel.org/r/20120330162636.GA4857@redhat.comSigned-off-by:
Ingo Molnar <mingo@kernel.org>
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Ingo Molnar authored
Merge branch 'perf/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
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- 30 Mar, 2012 1 commit
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Ingo Molnar authored
These should not be in the Git history - they are auto-generated. Extend the Makefile rules of the parser files to include the generation run. Signed-off-by:
Ingo Molnar <mingo@elte.hu> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/20120327183335.GA27621@gmail.com [ committer note: Fixed up O= handling ] Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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- 29 Mar, 2012 2 commits
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Arnaldo Carvalho de Melo authored
We were not noticing it because symbol__inc_addr_samples was erroneously dropping samples that hit the last byte in a function. Working on a fix for a problem reported by David Miller, Stephane Eranian and Sorin Dumitru, where addresses < sym->start were causing problems, I noticed this other problem. Cc: David Ahern <dsahern@gmail.com> Cc: David Miller <davem@davemloft.net> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sorin Dumitru <dumitru.sorin87@gmail.com> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-pqjaq4cr1xs2xen73pjhbav4@git.kernel.orgSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Namhyung Kim authored
The commit 89812fc8 ("perf tools: Add parser generator for events parsing") changed event parsing engine but missed the ref-cycles event. Add it. Signed-off-by:
Namhyung Kim <namhyung.kim@lge.com> Acked-by:
Jiri Olsa <jolsa@redhat.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1333016517-10591-1-git-send-email-namhyung.kim@lge.comSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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- 28 Mar, 2012 2 commits
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David Miller authored
Therefore, in symbol__get_source_line(), use map__rip_2objdump instead of calling map->unmap_ip() unconditionally. Link: http://lkml.kernel.org/r/20120325.162812.59519424882536855.davem@davemloft.netSigned-off-by:
David S. Miller <davem@davemloft.net> Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Prashanth Nageshappa authored
If DIE entries corresponding to declarations appear before definition entry, probe finder returns error instead of continuing to look further for a definition entry. This patch ensures we reach to the DIE entry corresponding to the definition and get the function address. V2: A simpler solution based on Masami's suggestion. Signed-off-by:
Prashanth Nageshappa <prashanth@linux.vnet.ibm.com> Acked-by:
Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/r/4F703FB9.9020407@linux.vnet.ibm.comSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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- 27 Mar, 2012 3 commits
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Steven Rostedt authored
When reading the trace file, the records of each of the per_cpu buffers are examined to find the next event to print out. At the point of looking at the event, the size of the event is recorded. But if the first event is chosen, the other events in the other CPU buffers will reset the event size that is stored in the iterator descriptor, causing the event size passed to the output functions to be incorrect. In most cases this is not a problem, but for the case of stack traces, it is. With the change to the stack tracing to record a dynamic number of back traces, the output depends on the size of the entry instead of the fixed 8 back traces. When the entry size is not correct, the back traces would not be fully printed. Note, reading from the per-cpu trace files were not affected. Reported-by:
Thomas Gleixner <tglx@linutronix.de> Tested-by:
Thomas Gleixner <tglx@linutronix.de> Cc: stable@vger.kernel.org Signed-off-by:
Steven Rostedt <rostedt@goodmis.org>
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David Miller authored
We should use "[unknown]" in this case, in concert with the code in _hist_entry__dso_snprintf(). Otherwise we'll crash when recomputing the histogram column lengths in hists__calc_col_len(). Signed-off-by:
David S. Miller <davem@davemloft.net> Link: http://lkml.kernel.org/r/20120325.162822.2267799792062571623.davem@davemloft.netSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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David Miller authored
That causes us to end up using the XPG version of basename which can modify it's argument. Signed-off-by:
David S. Miller <davem@davemloft.net> Link: http://lkml.kernel.org/r/20120327.000301.1122788061724345175.davem@davemloft.netSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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- 26 Mar, 2012 4 commits
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Stephane Eranian authored
In perf_event__parse_sample(), the array variable was not incremented by the amount of data used by the raw_data. That was okay until we added PERF_SAMPLE_BRANCH_STACK which depends on the array variable pointing to the beginning of the branch stack data. But that was not the case if branch stack was combined with raw mode sampling. That led to bogus branch stack addresses and count. The bug would show up with: $ perf record -R -b foo This patch fixes the problem by correctly moving the array pointer forward for RAW samples. Signed-off-by:
Stephane Eranian <eranian@google.com> Cc: David Ahern <dsahern@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20120317222317.GA8803@quad [ committer note: Fix also later submitted by Jiri Olsa ] Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Frederic Weisbecker authored
The callchain stdio mode display was written using a sorted by symbol report. In this mode we have only one callchain root per hist so we forgot to handle cases where we have multiple callchain root, as in per dso sorting for example. Fix this by handling these roots like any other branch, with the hist as the parent. Before: 1.97% libpthread-2.12.1.so | --- __libc_write create_worker bench_sched_messaging cmd_bench run_builtin main __libc_start_main | --- __libc_read create_worker bench_sched_messaging cmd_bench run_builtin main __libc_start_main After: 1.97% libpthread-2.12.1.so | |--36.97%-- __libc_write | create_worker | bench_sched_messaging | cmd_bench | run_builtin | main | __libc_start_main | |--31.47%-- __libc_read | create_worker | bench_sched_messaging | cmd_bench | run_builtin | main | __libc_start_main ... Single roots keep their entry without percentage because they have the same overhead than the hist they refer to. ie: 100% in fractal mode and the percentage of the hist in graph mode: 0.00% [k] reschedule_interrupt | --- default_idle amd_e400_idle cpu_idle start_secondary Reported-by:
Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by:
Frederic Weisbecker <fweisbec@gmail.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: David Ahern <dsahern@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1332526010-15400-1-git-send-email-fweisbec@gmail.comSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Jiri Olsa authored
When merged to Linus's latest tree the perf build is broken due to following change in lib/rbtree.c object: lib: reduce the use of module.h wherever possible commit 8bc3bcc9 Author: Paul Gortmaker <paul.gortmaker@windriver.com> Date: Wed Nov 16 21:29:17 2011 -0500 We need to move module.h header into export.h. Signed-off-by:
Jiri Olsa <jolsa@redhat.com> Cc: acme@redhat.com Cc: a.p.zijlstra@chello.nl Cc: paulus@samba.org Cc: cjashfor@linux.vnet.ibm.com Cc: fweisbec@gmail.com Link: http://lkml.kernel.org/r/1332753425-3299-1-git-send-email-jolsa@redhat.comSigned-off-by:
Ingo Molnar <mingo@kernel.org>
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Ingo Molnar authored
Merge reason: we need to fix a non-trivial merge conflict. Signed-off-by:
Ingo Molnar <mingo@elte.hu>
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