2009-12-11 16:24:02 -07:00
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#ifndef __PERF_SESSION_H
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#define __PERF_SESSION_H
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perf hist: Introduce hists class and move lots of methods to it
In cbbc79a we introduced support for multiple events by introducing a
new "event_stat_id" struct and then made several perf_session methods
receive a point to it instead of a pointer to perf_session, and kept the
event_stats and hists rb_tree in perf_session.
While working on the new newt based browser, I realised that it would be
better to introduce a new class, "hists" (short for "histograms"),
renaming the "event_stat_id" struct and the perf_session methods that
were really "hists" methods, as they manipulate only struct hists
members, not touching anything in the other perf_session members.
Other optimizations, such as calculating the maximum lenght of a symbol
name present in an hists instance will be possible as we add them,
avoiding a re-traversal just for finding that information.
The rationale for the name "hists" to replace "event_stat_id" is that we
may have multiple sets of hists for the same event_stat id, as, for
instance, the 'perf diff' tool has, so event stat id is not what
characterizes what this struct and the functions that manipulate it do.
Cc: Eric B Munson <ebmunson@us.ibm.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2010-05-10 10:04:11 -06:00
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#include "hist.h"
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2009-12-13 14:50:25 -07:00
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#include "event.h"
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2009-12-11 16:24:02 -07:00
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#include "header.h"
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2010-02-03 11:52:00 -07:00
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#include "symbol.h"
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perf session: Move kmaps to perf_session
There is still some more work to do to disentangle map creation
from DSO loading, but this happens only for the kernel, and for
the early adopters of perf diff, where this disentanglement
matters most, we'll be testing different kernels, so no problem
here.
Further clarification: right now we create the kernel maps for
the various modules and discontiguous kernel text maps when
loading the DSO, we should do it as a two step process, first
creating the maps, for multiple mappings with the same DSO
store, then doing the dso load just once, for the first hit on
one of the maps sharing this DSO backing store.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1260741029-4430-6-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-12-13 14:50:29 -07:00
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#include "thread.h"
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2009-12-13 14:50:28 -07:00
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#include <linux/rbtree.h>
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2009-12-14 10:06:01 -07:00
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#include "../../../include/linux/perf_event.h"
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2009-12-13 14:50:28 -07:00
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2010-04-23 16:04:12 -06:00
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struct sample_queue;
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2009-12-14 09:22:59 -07:00
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struct ip_callchain;
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2009-12-13 14:50:28 -07:00
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struct thread;
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2009-12-11 16:24:02 -07:00
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2010-04-23 16:04:12 -06:00
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struct ordered_samples {
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u64 last_flush;
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2010-05-03 07:14:33 -06:00
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u64 next_flush;
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u64 max_timestamp;
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2010-11-30 10:49:33 -07:00
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struct list_head samples;
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2010-11-30 10:49:53 -07:00
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struct list_head sample_cache;
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2010-11-30 10:49:55 -07:00
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struct list_head to_free;
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struct sample_queue *sample_buffer;
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2010-11-30 10:49:33 -07:00
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struct sample_queue *last_sample;
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2010-11-30 10:49:55 -07:00
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int sample_buffer_idx;
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2010-04-23 16:04:12 -06:00
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};
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2009-12-11 16:24:02 -07:00
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struct perf_session {
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struct perf_header header;
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unsigned long size;
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2009-12-13 14:50:27 -07:00
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unsigned long mmap_window;
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2009-12-13 14:50:28 -07:00
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struct rb_root threads;
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2010-06-17 05:37:44 -06:00
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struct list_head dead_threads;
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2009-12-13 14:50:28 -07:00
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struct thread *last_match;
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2010-05-09 16:57:08 -06:00
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struct machine host_machine;
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2010-04-27 18:17:50 -06:00
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struct rb_root machines;
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perf hist: Introduce hists class and move lots of methods to it
In cbbc79a we introduced support for multiple events by introducing a
new "event_stat_id" struct and then made several perf_session methods
receive a point to it instead of a pointer to perf_session, and kept the
event_stats and hists rb_tree in perf_session.
While working on the new newt based browser, I realised that it would be
better to introduce a new class, "hists" (short for "histograms"),
renaming the "event_stat_id" struct and the perf_session methods that
were really "hists" methods, as they manipulate only struct hists
members, not touching anything in the other perf_session members.
Other optimizations, such as calculating the maximum lenght of a symbol
name present in an hists instance will be possible as we add them,
avoiding a re-traversal just for finding that information.
The rationale for the name "hists" to replace "event_stat_id" is that we
may have multiple sets of hists for the same event_stat id, as, for
instance, the 'perf diff' tool has, so event stat id is not what
characterizes what this struct and the functions that manipulate it do.
Cc: Eric B Munson <ebmunson@us.ibm.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2010-05-10 10:04:11 -06:00
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struct rb_root hists_tree;
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/*
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* FIXME: should point to the first entry in hists_tree and
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* be a hists instance. Right now its only 'report'
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* that is using ->hists_tree while all the rest use
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* ->hists.
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*/
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struct hists hists;
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2009-12-14 09:23:00 -07:00
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u64 sample_type;
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2009-12-11 16:24:02 -07:00
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int fd;
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2010-04-01 22:59:15 -06:00
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bool fd_pipe;
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2010-05-01 00:41:20 -06:00
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bool repipe;
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2010-12-02 05:25:28 -07:00
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bool sample_id_all;
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u16 id_hdr_size;
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2009-12-13 14:50:27 -07:00
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int cwdlen;
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char *cwd;
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2010-04-23 16:04:12 -06:00
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struct ordered_samples ordered_samples;
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2011-01-13 20:51:58 -07:00
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struct callchain_cursor callchain_cursor;
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char filename[0];
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2009-12-11 16:24:02 -07:00
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};
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2010-05-03 07:14:33 -06:00
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struct perf_event_ops;
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perf session: Parse sample earlier
At perf_session__process_event, so that we reduce the number of lines in eache
tool sample processing routine that now receives a sample_data pointer already
parsed.
This will also be useful in the next patch, where we'll allow sample the
identity fields in MMAP, FORK, EXIT, etc, when it will be possible to see (cpu,
timestamp) just after before every event.
Also validate callchains in perf_session__process_event, i.e. as early as
possible, and keep a counter of the number of events discarded due to invalid
callchains, warning the user about it if it happens.
There is an assumption that was kept that all events have the same sample_type,
that will be dealt with in the future, when this preexisting limitation will be
removed.
Tested-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Ian Munsie <imunsie@au1.ibm.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Ian Munsie <imunsie@au1.ibm.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Stephane Eranian <eranian@google.com>
LKML-Reference: <1291318772-30880-4-git-send-email-acme@infradead.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2010-12-02 09:10:21 -07:00
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typedef int (*event_op)(event_t *self, struct sample_data *sample,
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struct perf_session *session);
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typedef int (*event_synth_op)(event_t *self, struct perf_session *session);
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2010-05-03 07:14:33 -06:00
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typedef int (*event_op2)(event_t *self, struct perf_session *session,
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struct perf_event_ops *ops);
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2009-12-13 14:50:25 -07:00
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struct perf_event_ops {
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2010-05-03 07:14:33 -06:00
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event_op sample,
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mmap,
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comm,
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fork,
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exit,
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lost,
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read,
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throttle,
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perf session: Parse sample earlier
At perf_session__process_event, so that we reduce the number of lines in eache
tool sample processing routine that now receives a sample_data pointer already
parsed.
This will also be useful in the next patch, where we'll allow sample the
identity fields in MMAP, FORK, EXIT, etc, when it will be possible to see (cpu,
timestamp) just after before every event.
Also validate callchains in perf_session__process_event, i.e. as early as
possible, and keep a counter of the number of events discarded due to invalid
callchains, warning the user about it if it happens.
There is an assumption that was kept that all events have the same sample_type,
that will be dealt with in the future, when this preexisting limitation will be
removed.
Tested-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Ian Munsie <imunsie@au1.ibm.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Ian Munsie <imunsie@au1.ibm.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Stephane Eranian <eranian@google.com>
LKML-Reference: <1291318772-30880-4-git-send-email-acme@infradead.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2010-12-02 09:10:21 -07:00
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unthrottle;
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event_synth_op attr,
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2010-05-03 07:14:33 -06:00
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event_type,
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tracing_data,
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build_id;
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event_op2 finished_round;
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bool ordered_samples;
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2010-12-09 20:09:16 -07:00
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bool ordering_requires_timestamps;
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2009-12-13 14:50:25 -07:00
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};
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2010-12-09 20:09:16 -07:00
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struct perf_session *perf_session__new(const char *filename, int mode,
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bool force, bool repipe,
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struct perf_event_ops *ops);
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2009-12-11 16:24:02 -07:00
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void perf_session__delete(struct perf_session *self);
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perf tools: Cross platform perf.data analysis support
There are still some problems related to loading vmlinux files,
but those are unrelated to the feature implemented in this
patch, so will get fixed in the next patches, but here are some
results:
1. collect perf.data file on a Fedora 12 machine, x86_64, 64-bit
userland
2. transfer it to a Debian Testing machine, PARISC64, 32-bit
userland
acme@parisc:~/git/linux-2.6-tip$ perf buildid-list | head -5
74f9930ee94475b6b3238caf3725a50d59cb994b [kernel.kallsyms]
55fdd56670453ea66c011158c4b9d30179c1d049 /lib/modules/2.6.33-rc4-tip+/kernel/net/ipv4/netfilter/ipt_MASQUERADE.ko
41adff63c730890480980d5d8ba513f1c216a858 /lib/modules/2.6.33-rc4-tip+/kernel/net/ipv4/netfilter/iptable_nat.ko
90a33def1077bb8e97b8a78546dc96c2de62df46 /lib/modules/2.6.33-rc4-tip+/kernel/net/ipv4/netfilter/nf_nat.ko
984c7bea90ce1376d5c8e7ef43a781801286e62d /lib/modules/2.6.33-rc4-tip+/kernel/drivers/net/tun.ko
acme@parisc:~/git/linux-2.6-tip$ perf buildid-list | tail -5
22492f3753c6a67de5c7ccbd6b863390c92c0723 /usr/lib64/libXt.so.6.0.0
353802bb7e1b895ba43507cc678f951e778e4c6f /usr/lib64/libMagickCore.so.2.0.0
d10c2897558595efe7be8b0584cf7e6398bc776c /usr/lib64/libfprint.so.0.0.0
a83ecfb519a788774a84d5ddde633c9ba56c03ab /home/acme/bin/perf
d3ca765a8ecf257d263801d7ad8c49c189082317 /usr/lib64/libdwarf.so.0.0
acme@parisc:~/git/linux-2.6-tip$
acme@parisc:~/git/linux-2.6-tip$ perf report --sort comm
The file [kernel.kallsyms] cannot be used, trying to use /proc/kallsyms...
^^^^ The problem related to vmlinux handling, it shouldn't be trying this
^^^^ rather alien /proc/kallsyms at all...
/lib64/libpthread-2.10.2.so with build id 5c68f7afeb33309c78037e374b0deee84dd441f6 not found, continuing without symbols
/lib64/libc-2.10.2.so with build id eb4ec8fa8b2a5eb18cad173c92f27ed8887ed1c1 not found, continuing without symbols
/home/acme/bin/perf with build id a83ecfb519a788774a84d5ddde633c9ba56c03ab not found, continuing without symbols
/usr/sbin/openvpn with build id f2037a091ef36b591187a858d75e203690ea9409 not found, continuing without symbols
Failed to open /lib/modules/2.6.33-rc4-tip+/kernel/drivers/net/e1000e/e1000e.ko, continuing without symbols
Failed to open /lib/modules/2.6.33-rc4-tip+/kernel/drivers/net/wireless/iwlwifi/iwlcore.ko, continuing without symbols
<SNIP more complaints about not finding the right build-ids,
those will have to wait for 'perf archive' or plain
copying what was collected by 'perf record' on the x86_64,
source machine, see further below for an example of this >
# Samples: 293085637
#
# Overhead Command
# ........ ...............
#
61.70% find
23.50% perf
5.86% swapper
3.12% sshd
2.39% init
0.87% bash
0.86% sleep
0.59% dbus-daemon
0.25% hald
0.24% NetworkManager
0.19% hald-addon-rfki
0.15% openvpn
0.07% phy0
0.07% events/0
0.05% iwl3945
0.05% events/1
0.03% kondemand/0
acme@parisc:~/git/linux-2.6-tip$
Which matches what we get when running the same command for the
same perf.data file on the F12, x86_64, source machine:
[root@doppio linux-2.6-tip]# perf report --sort comm
# Samples: 293085637
#
# Overhead Command
# ........ ...............
#
61.70% find
23.50% perf
5.86% swapper
3.12% sshd
2.39% init
0.87% bash
0.86% sleep
0.59% dbus-daemon
0.25% hald
0.24% NetworkManager
0.19% hald-addon-rfki
0.15% openvpn
0.07% phy0
0.07% events/0
0.05% iwl3945
0.05% events/1
0.03% kondemand/0
[root@doppio linux-2.6-tip]#
The other modes work as well, modulo the problem with vmlinux:
acme@parisc:~/git/linux-2.6-tip$ perf report --sort comm,dso 2> /dev/null | head -15
# Samples: 293085637
#
# Overhead Command Shared Object
# ........ ............... .................................
#
35.11% find ffffffff81002b5a
18.25% perf ffffffff8102235f
16.17% find libc-2.10.2.so
9.07% find find
5.80% swapper ffffffff8102235f
3.95% perf libc-2.10.2.so
2.33% init ffffffff810091b9
1.65% sshd libcrypto.so.0.9.8k
1.35% find [e1000e]
0.68% sleep libc-2.10.2.so
acme@parisc:~/git/linux-2.6-tip$
And the lack of the right buildids:
acme@parisc:~/git/linux-2.6-tip$ perf report --sort comm,dso,symbol 2> /dev/null | head -15
# Samples: 293085637
#
# Overhead Command Shared Object Symbol
# ........ ............... ................................. ......
#
35.11% find ffffffff81002b5a [k] 0xffffffff81002b5a
18.25% perf ffffffff8102235f [k] 0xffffffff8102235f
16.17% find libc-2.10.2.so [.] 0x00000000045782
9.07% find find [.] 0x0000000000fb0e
5.80% swapper ffffffff8102235f [k] 0xffffffff8102235f
3.95% perf libc-2.10.2.so [.] 0x0000000007f398
2.33% init ffffffff810091b9 [k] 0xffffffff810091b9
1.65% sshd libcrypto.so.0.9.8k [.] 0x00000000105440
1.35% find [e1000e] [k] 0x00000000010948
0.68% sleep libc-2.10.2.so [.] 0x0000000011ad5b
acme@parisc:~/git/linux-2.6-tip$
But if we:
acme@parisc:~/git/linux-2.6-tip$ ls ~/.debug
ls: cannot access /home/acme/.debug: No such file or directory
acme@parisc:~/git/linux-2.6-tip$ mkdir -p ~/.debug/lib64/libc-2.10.2.so/
acme@parisc:~/git/linux-2.6-tip$ scp doppio:.debug/lib64/libc-2.10.2.so/* ~/.debug/lib64/libc-2.10.2.so/
acme@doppio's password:
eb4ec8fa8b2a5eb18cad173c92f27ed8887ed1c1 100% 1783KB 714.7KB/s 00:02
acme@parisc:~/git/linux-2.6-tip$ mkdir -p ~/.debug/.build-id/eb
acme@parisc:~/git/linux-2.6-tip$ ln -s ../../lib64/libc-2.10.2.so/eb4ec8fa8b2a5eb18cad173c92f27ed8887ed1c1 ~/.debug/.build-id/eb/4ec8fa8b2a5eb18cad173c92f27ed8887ed1c1
acme@parisc:~/git/linux-2.6-tip$ perf report --dsos libc-2.10.2.so 2> /dev/null
# dso: libc-2.10.2.so
# Samples: 64281170
#
# Overhead Command Symbol
# ........ ............... ......
#
14.98% perf [.] __GI_strcmp
12.30% find [.] __GI_memmove
9.25% find [.] _int_malloc
7.60% find [.] _IO_vfprintf_internal
6.10% find [.] _IO_new_file_xsputn
6.02% find [.] __GI_close
3.08% find [.] _IO_file_overflow_internal
3.08% find [.] malloc_consolidate
3.08% find [.] _int_free
3.08% find [.] __strchrnul
3.08% find [.] __getdents64
3.08% find [.] __write_nocancel
3.08% sleep [.] __GI__dl_addr
3.08% sshd [.] __libc_select
3.08% find [.] _IO_new_file_write
3.07% find [.] _IO_new_do_write
3.06% find [.] __GI___errno_location
3.05% find [.] __GI___libc_malloc
3.04% perf [.] __GI_memcpy
1.71% find [.] __fprintf_chk
1.29% bash [.] __gconv_transform_utf8_internal
0.79% dbus-daemon [.] __GI_strlen
#
# (For a higher level overview, try: perf report --sort comm,dso)
#
acme@parisc:~/git/linux-2.6-tip$
Which matches what we get on the source, F12, x86_64 machine:
[root@doppio linux-2.6-tip]# perf report --dsos libc-2.10.2.so
# dso: libc-2.10.2.so
# Samples: 64281170
#
# Overhead Command Symbol
# ........ ............... ......
#
14.98% perf [.] __GI_strcmp
12.30% find [.] __GI_memmove
9.25% find [.] _int_malloc
7.60% find [.] _IO_vfprintf_internal
6.10% find [.] _IO_new_file_xsputn
6.02% find [.] __GI_close
3.08% find [.] _IO_file_overflow_internal
3.08% find [.] malloc_consolidate
3.08% find [.] _int_free
3.08% find [.] __strchrnul
3.08% find [.] __getdents64
3.08% find [.] __write_nocancel
3.08% sleep [.] __GI__dl_addr
3.08% sshd [.] __libc_select
3.08% find [.] _IO_new_file_write
3.07% find [.] _IO_new_do_write
3.06% find [.] __GI___errno_location
3.05% find [.] __GI___libc_malloc
3.04% perf [.] __GI_memcpy
1.71% find [.] __fprintf_chk
1.29% bash [.] __gconv_transform_utf8_internal
0.79% dbus-daemon [.] __GI_strlen
#
# (For a higher level overview, try: perf report --sort comm,dso)
#
[root@doppio linux-2.6-tip]#
So I think this is really, really nice in that it demonstrates
the portability of perf.data files and the use of build-ids
accross such aliens worlds :-)
There are some things to fix tho, like the bitmap on the header,
but things are looking good.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1263478990-8200-2-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-01-14 07:23:10 -07:00
|
|
|
void perf_event_header__bswap(struct perf_event_header *self);
|
|
|
|
|
2010-02-03 11:52:05 -07:00
|
|
|
int __perf_session__process_events(struct perf_session *self,
|
|
|
|
u64 data_offset, u64 data_size, u64 size,
|
|
|
|
struct perf_event_ops *ops);
|
2009-12-13 14:50:25 -07:00
|
|
|
int perf_session__process_events(struct perf_session *self,
|
2009-12-13 14:50:27 -07:00
|
|
|
struct perf_event_ops *event_ops);
|
2009-12-13 14:50:25 -07:00
|
|
|
|
2011-01-13 20:51:58 -07:00
|
|
|
int perf_session__resolve_callchain(struct perf_session *self,
|
|
|
|
struct thread *thread,
|
|
|
|
struct ip_callchain *chain,
|
|
|
|
struct symbol **parent);
|
2009-12-14 09:22:59 -07:00
|
|
|
|
2009-12-27 16:37:02 -07:00
|
|
|
bool perf_session__has_traces(struct perf_session *self, const char *msg);
|
2009-12-27 16:37:01 -07:00
|
|
|
|
2010-04-18 23:32:50 -06:00
|
|
|
int perf_session__set_kallsyms_ref_reloc_sym(struct map **maps,
|
2010-01-05 11:50:31 -07:00
|
|
|
const char *symbol_name,
|
|
|
|
u64 addr);
|
|
|
|
|
perf tools: Cross platform perf.data analysis support
There are still some problems related to loading vmlinux files,
but those are unrelated to the feature implemented in this
patch, so will get fixed in the next patches, but here are some
results:
1. collect perf.data file on a Fedora 12 machine, x86_64, 64-bit
userland
2. transfer it to a Debian Testing machine, PARISC64, 32-bit
userland
acme@parisc:~/git/linux-2.6-tip$ perf buildid-list | head -5
74f9930ee94475b6b3238caf3725a50d59cb994b [kernel.kallsyms]
55fdd56670453ea66c011158c4b9d30179c1d049 /lib/modules/2.6.33-rc4-tip+/kernel/net/ipv4/netfilter/ipt_MASQUERADE.ko
41adff63c730890480980d5d8ba513f1c216a858 /lib/modules/2.6.33-rc4-tip+/kernel/net/ipv4/netfilter/iptable_nat.ko
90a33def1077bb8e97b8a78546dc96c2de62df46 /lib/modules/2.6.33-rc4-tip+/kernel/net/ipv4/netfilter/nf_nat.ko
984c7bea90ce1376d5c8e7ef43a781801286e62d /lib/modules/2.6.33-rc4-tip+/kernel/drivers/net/tun.ko
acme@parisc:~/git/linux-2.6-tip$ perf buildid-list | tail -5
22492f3753c6a67de5c7ccbd6b863390c92c0723 /usr/lib64/libXt.so.6.0.0
353802bb7e1b895ba43507cc678f951e778e4c6f /usr/lib64/libMagickCore.so.2.0.0
d10c2897558595efe7be8b0584cf7e6398bc776c /usr/lib64/libfprint.so.0.0.0
a83ecfb519a788774a84d5ddde633c9ba56c03ab /home/acme/bin/perf
d3ca765a8ecf257d263801d7ad8c49c189082317 /usr/lib64/libdwarf.so.0.0
acme@parisc:~/git/linux-2.6-tip$
acme@parisc:~/git/linux-2.6-tip$ perf report --sort comm
The file [kernel.kallsyms] cannot be used, trying to use /proc/kallsyms...
^^^^ The problem related to vmlinux handling, it shouldn't be trying this
^^^^ rather alien /proc/kallsyms at all...
/lib64/libpthread-2.10.2.so with build id 5c68f7afeb33309c78037e374b0deee84dd441f6 not found, continuing without symbols
/lib64/libc-2.10.2.so with build id eb4ec8fa8b2a5eb18cad173c92f27ed8887ed1c1 not found, continuing without symbols
/home/acme/bin/perf with build id a83ecfb519a788774a84d5ddde633c9ba56c03ab not found, continuing without symbols
/usr/sbin/openvpn with build id f2037a091ef36b591187a858d75e203690ea9409 not found, continuing without symbols
Failed to open /lib/modules/2.6.33-rc4-tip+/kernel/drivers/net/e1000e/e1000e.ko, continuing without symbols
Failed to open /lib/modules/2.6.33-rc4-tip+/kernel/drivers/net/wireless/iwlwifi/iwlcore.ko, continuing without symbols
<SNIP more complaints about not finding the right build-ids,
those will have to wait for 'perf archive' or plain
copying what was collected by 'perf record' on the x86_64,
source machine, see further below for an example of this >
# Samples: 293085637
#
# Overhead Command
# ........ ...............
#
61.70% find
23.50% perf
5.86% swapper
3.12% sshd
2.39% init
0.87% bash
0.86% sleep
0.59% dbus-daemon
0.25% hald
0.24% NetworkManager
0.19% hald-addon-rfki
0.15% openvpn
0.07% phy0
0.07% events/0
0.05% iwl3945
0.05% events/1
0.03% kondemand/0
acme@parisc:~/git/linux-2.6-tip$
Which matches what we get when running the same command for the
same perf.data file on the F12, x86_64, source machine:
[root@doppio linux-2.6-tip]# perf report --sort comm
# Samples: 293085637
#
# Overhead Command
# ........ ...............
#
61.70% find
23.50% perf
5.86% swapper
3.12% sshd
2.39% init
0.87% bash
0.86% sleep
0.59% dbus-daemon
0.25% hald
0.24% NetworkManager
0.19% hald-addon-rfki
0.15% openvpn
0.07% phy0
0.07% events/0
0.05% iwl3945
0.05% events/1
0.03% kondemand/0
[root@doppio linux-2.6-tip]#
The other modes work as well, modulo the problem with vmlinux:
acme@parisc:~/git/linux-2.6-tip$ perf report --sort comm,dso 2> /dev/null | head -15
# Samples: 293085637
#
# Overhead Command Shared Object
# ........ ............... .................................
#
35.11% find ffffffff81002b5a
18.25% perf ffffffff8102235f
16.17% find libc-2.10.2.so
9.07% find find
5.80% swapper ffffffff8102235f
3.95% perf libc-2.10.2.so
2.33% init ffffffff810091b9
1.65% sshd libcrypto.so.0.9.8k
1.35% find [e1000e]
0.68% sleep libc-2.10.2.so
acme@parisc:~/git/linux-2.6-tip$
And the lack of the right buildids:
acme@parisc:~/git/linux-2.6-tip$ perf report --sort comm,dso,symbol 2> /dev/null | head -15
# Samples: 293085637
#
# Overhead Command Shared Object Symbol
# ........ ............... ................................. ......
#
35.11% find ffffffff81002b5a [k] 0xffffffff81002b5a
18.25% perf ffffffff8102235f [k] 0xffffffff8102235f
16.17% find libc-2.10.2.so [.] 0x00000000045782
9.07% find find [.] 0x0000000000fb0e
5.80% swapper ffffffff8102235f [k] 0xffffffff8102235f
3.95% perf libc-2.10.2.so [.] 0x0000000007f398
2.33% init ffffffff810091b9 [k] 0xffffffff810091b9
1.65% sshd libcrypto.so.0.9.8k [.] 0x00000000105440
1.35% find [e1000e] [k] 0x00000000010948
0.68% sleep libc-2.10.2.so [.] 0x0000000011ad5b
acme@parisc:~/git/linux-2.6-tip$
But if we:
acme@parisc:~/git/linux-2.6-tip$ ls ~/.debug
ls: cannot access /home/acme/.debug: No such file or directory
acme@parisc:~/git/linux-2.6-tip$ mkdir -p ~/.debug/lib64/libc-2.10.2.so/
acme@parisc:~/git/linux-2.6-tip$ scp doppio:.debug/lib64/libc-2.10.2.so/* ~/.debug/lib64/libc-2.10.2.so/
acme@doppio's password:
eb4ec8fa8b2a5eb18cad173c92f27ed8887ed1c1 100% 1783KB 714.7KB/s 00:02
acme@parisc:~/git/linux-2.6-tip$ mkdir -p ~/.debug/.build-id/eb
acme@parisc:~/git/linux-2.6-tip$ ln -s ../../lib64/libc-2.10.2.so/eb4ec8fa8b2a5eb18cad173c92f27ed8887ed1c1 ~/.debug/.build-id/eb/4ec8fa8b2a5eb18cad173c92f27ed8887ed1c1
acme@parisc:~/git/linux-2.6-tip$ perf report --dsos libc-2.10.2.so 2> /dev/null
# dso: libc-2.10.2.so
# Samples: 64281170
#
# Overhead Command Symbol
# ........ ............... ......
#
14.98% perf [.] __GI_strcmp
12.30% find [.] __GI_memmove
9.25% find [.] _int_malloc
7.60% find [.] _IO_vfprintf_internal
6.10% find [.] _IO_new_file_xsputn
6.02% find [.] __GI_close
3.08% find [.] _IO_file_overflow_internal
3.08% find [.] malloc_consolidate
3.08% find [.] _int_free
3.08% find [.] __strchrnul
3.08% find [.] __getdents64
3.08% find [.] __write_nocancel
3.08% sleep [.] __GI__dl_addr
3.08% sshd [.] __libc_select
3.08% find [.] _IO_new_file_write
3.07% find [.] _IO_new_do_write
3.06% find [.] __GI___errno_location
3.05% find [.] __GI___libc_malloc
3.04% perf [.] __GI_memcpy
1.71% find [.] __fprintf_chk
1.29% bash [.] __gconv_transform_utf8_internal
0.79% dbus-daemon [.] __GI_strlen
#
# (For a higher level overview, try: perf report --sort comm,dso)
#
acme@parisc:~/git/linux-2.6-tip$
Which matches what we get on the source, F12, x86_64 machine:
[root@doppio linux-2.6-tip]# perf report --dsos libc-2.10.2.so
# dso: libc-2.10.2.so
# Samples: 64281170
#
# Overhead Command Symbol
# ........ ............... ......
#
14.98% perf [.] __GI_strcmp
12.30% find [.] __GI_memmove
9.25% find [.] _int_malloc
7.60% find [.] _IO_vfprintf_internal
6.10% find [.] _IO_new_file_xsputn
6.02% find [.] __GI_close
3.08% find [.] _IO_file_overflow_internal
3.08% find [.] malloc_consolidate
3.08% find [.] _int_free
3.08% find [.] __strchrnul
3.08% find [.] __getdents64
3.08% find [.] __write_nocancel
3.08% sleep [.] __GI__dl_addr
3.08% sshd [.] __libc_select
3.08% find [.] _IO_new_file_write
3.07% find [.] _IO_new_do_write
3.06% find [.] __GI___errno_location
3.05% find [.] __GI___libc_malloc
3.04% perf [.] __GI_memcpy
1.71% find [.] __fprintf_chk
1.29% bash [.] __gconv_transform_utf8_internal
0.79% dbus-daemon [.] __GI_strlen
#
# (For a higher level overview, try: perf report --sort comm,dso)
#
[root@doppio linux-2.6-tip]#
So I think this is really, really nice in that it demonstrates
the portability of perf.data files and the use of build-ids
accross such aliens worlds :-)
There are some things to fix tho, like the bitmap on the header,
but things are looking good.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1263478990-8200-2-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-01-14 07:23:10 -07:00
|
|
|
void mem_bswap_64(void *src, int byte_size);
|
|
|
|
|
2010-04-18 23:32:50 -06:00
|
|
|
int perf_session__create_kernel_maps(struct perf_session *self);
|
2010-03-11 16:12:44 -07:00
|
|
|
|
2010-04-01 22:59:15 -06:00
|
|
|
void perf_session__update_sample_type(struct perf_session *self);
|
2010-12-02 05:25:28 -07:00
|
|
|
void perf_session__set_sample_id_all(struct perf_session *session, bool value);
|
perf session: Parse sample earlier
At perf_session__process_event, so that we reduce the number of lines in eache
tool sample processing routine that now receives a sample_data pointer already
parsed.
This will also be useful in the next patch, where we'll allow sample the
identity fields in MMAP, FORK, EXIT, etc, when it will be possible to see (cpu,
timestamp) just after before every event.
Also validate callchains in perf_session__process_event, i.e. as early as
possible, and keep a counter of the number of events discarded due to invalid
callchains, warning the user about it if it happens.
There is an assumption that was kept that all events have the same sample_type,
that will be dealt with in the future, when this preexisting limitation will be
removed.
Tested-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Ian Munsie <imunsie@au1.ibm.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Ian Munsie <imunsie@au1.ibm.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Stephane Eranian <eranian@google.com>
LKML-Reference: <1291318772-30880-4-git-send-email-acme@infradead.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2010-12-02 09:10:21 -07:00
|
|
|
void perf_session__set_sample_type(struct perf_session *session, u64 type);
|
2010-06-17 05:37:44 -06:00
|
|
|
void perf_session__remove_thread(struct perf_session *self, struct thread *th);
|
2010-04-01 22:59:15 -06:00
|
|
|
|
2010-04-27 18:17:50 -06:00
|
|
|
static inline
|
|
|
|
struct machine *perf_session__find_host_machine(struct perf_session *self)
|
|
|
|
{
|
2010-05-09 16:57:08 -06:00
|
|
|
return &self->host_machine;
|
2010-04-27 18:17:50 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
static inline
|
|
|
|
struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid)
|
|
|
|
{
|
2010-05-09 16:57:08 -06:00
|
|
|
if (pid == HOST_KERNEL_ID)
|
|
|
|
return &self->host_machine;
|
2010-04-27 18:17:50 -06:00
|
|
|
return machines__find(&self->machines, pid);
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline
|
|
|
|
struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid)
|
|
|
|
{
|
2010-05-09 16:57:08 -06:00
|
|
|
if (pid == HOST_KERNEL_ID)
|
|
|
|
return &self->host_machine;
|
2010-04-27 18:17:50 -06:00
|
|
|
return machines__findnew(&self->machines, pid);
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline
|
|
|
|
void perf_session__process_machines(struct perf_session *self,
|
|
|
|
machine__process_t process)
|
|
|
|
{
|
2010-05-09 16:57:08 -06:00
|
|
|
process(&self->host_machine, self);
|
2010-04-27 18:17:50 -06:00
|
|
|
return machines__process(&self->machines, process, self);
|
|
|
|
}
|
2010-04-27 18:22:44 -06:00
|
|
|
|
2010-05-09 16:57:08 -06:00
|
|
|
size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp);
|
2010-04-27 18:22:44 -06:00
|
|
|
|
2010-05-19 10:41:23 -06:00
|
|
|
size_t perf_session__fprintf_dsos_buildid(struct perf_session *self,
|
|
|
|
FILE *fp, bool with_hits);
|
2010-05-14 07:36:42 -06:00
|
|
|
|
|
|
|
static inline
|
|
|
|
size_t perf_session__fprintf_nr_events(struct perf_session *self, FILE *fp)
|
|
|
|
{
|
|
|
|
return hists__fprintf_nr_events(&self->hists, fp);
|
|
|
|
}
|
2011-01-21 08:46:41 -07:00
|
|
|
|
|
|
|
static inline int perf_session__parse_sample(struct perf_session *session,
|
|
|
|
const event_t *event,
|
|
|
|
struct sample_data *sample)
|
|
|
|
{
|
|
|
|
return event__parse_sample(event, session->sample_type,
|
|
|
|
session->sample_id_all, sample);
|
|
|
|
}
|
|
|
|
|
2009-12-11 16:24:02 -07:00
|
|
|
#endif /* __PERF_SESSION_H */
|