lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [day] [month] [year] [list] 
Message-ID: <tip-r1m0vuuj3cat4bampno9yc8d@git.kernel.org>
Date:	Tue, 12 Nov 2013 13:55:03 -0800
From:	tip-bot for Arnaldo Carvalho de Melo <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, eranian@...gle.com, paulus@...ba.org,
	acme@...hat.com, hpa@...or.com, mingo@...nel.org,
	peterz@...radead.org, efault@....de, jolsa@...hat.com,
	fweisbec@...il.com, adrian.hunter@...el.com, dsahern@...il.com,
	tglx@...utronix.de
Subject: [tip:perf/urgent] perf machine:
  Introduce synthesize_threads method out of open coded equivalent

Commit-ID:  58d925dcede9e8765876707a33a3406011fe1c11
Gitweb:     http://git.kernel.org/tip/58d925dcede9e8765876707a33a3406011fe1c11
Author:     Arnaldo Carvalho de Melo <acme@...hat.com>
AuthorDate: Mon, 11 Nov 2013 11:28:02 -0300
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Mon, 11 Nov 2013 15:56:39 -0300

perf machine: Introduce synthesize_threads method out of open coded equivalent

Further simplifications to be done on following patch, as most tools
don't use the callback, using instead just the canned
machine__process_event one.

Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Mike Galbraith <efault@....de>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Stephane Eranian <eranian@...gle.com>
Link: http://lkml.kernel.org/n/tip-r1m0vuuj3cat4bampno9yc8d@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/builtin-kvm.c    | 15 +++------------
 tools/perf/builtin-record.c | 12 ++----------
 tools/perf/builtin-top.c    | 11 +++--------
 tools/perf/builtin-trace.c  | 11 ++---------
 tools/perf/util/machine.c   | 12 ++++++++++++
 tools/perf/util/machine.h   |  4 ++++
 6 files changed, 26 insertions(+), 39 deletions(-)

diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c
index f36e820..f5d2c4b 100644
--- a/tools/perf/builtin-kvm.c
+++ b/tools/perf/builtin-kvm.c
@@ -1544,18 +1544,9 @@ static int kvm_events_live(struct perf_kvm_stat *kvm,
 	}
 	kvm->session->evlist = kvm->evlist;
 	perf_session__set_id_hdr_size(kvm->session);
-
-
-	if (perf_target__has_task(&kvm->opts.target))
-		perf_event__synthesize_thread_map(&kvm->tool,
-						  kvm->evlist->threads,
-						  perf_event__process,
-						  &kvm->session->machines.host, false);
-	else
-		perf_event__synthesize_threads(&kvm->tool, perf_event__process,
-					       &kvm->session->machines.host, false);
-
-
+	machine__synthesize_threads(&kvm->session->machines.host, &kvm->tool,
+				    &kvm->opts.target, kvm->evlist->threads,
+				    perf_event__process, false);
 	err = kvm_live_open_events(kvm);
 	if (err)
 		goto out;
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index afb252c..41d1f37 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -480,16 +480,8 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv)
 					 perf_event__synthesize_guest_os, tool);
 	}
 
-	if (perf_target__has_task(&opts->target))
-		err = perf_event__synthesize_thread_map(tool, evsel_list->threads,
-							process_synthesized_event,
-							machine, opts->sample_address);
-	else if (perf_target__has_cpu(&opts->target))
-		err = perf_event__synthesize_threads(tool, process_synthesized_event,
-						     machine, opts->sample_address);
-	else /* command specified */
-		err = 0;
-
+	err = machine__synthesize_threads(machine, tool, &opts->target, evsel_list->threads,
+					  process_synthesized_event, opts->sample_address);
 	if (err != 0)
 		goto out_delete_session;
 
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index cc96d75..c3a936e 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -950,14 +950,9 @@ static int __cmd_top(struct perf_top *top)
 	if (ret)
 		goto out_delete;
 
-	if (perf_target__has_task(&opts->target))
-		perf_event__synthesize_thread_map(&top->tool, top->evlist->threads,
-						  perf_event__process,
-						  &top->session->machines.host, false);
-	else
-		perf_event__synthesize_threads(&top->tool, perf_event__process,
-					       &top->session->machines.host, false);
-
+	machine__synthesize_threads(&top->session->machines.host, &top->tool,
+				    &opts->target, top->evlist->threads,
+				    perf_event__process, false);
 	ret = perf_top__start_counters(top);
 	if (ret)
 		goto out_delete;
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 277c236..7690324 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -1340,15 +1340,8 @@ static int trace__symbols_init(struct trace *trace, struct perf_evlist *evlist)
 	if (trace->host == NULL)
 		return -ENOMEM;
 
-	if (perf_target__has_task(&trace->opts.target)) {
-		err = perf_event__synthesize_thread_map(&trace->tool, evlist->threads,
-							trace__tool_process,
-							trace->host, false);
-	} else {
-		err = perf_event__synthesize_threads(&trace->tool, trace__tool_process,
-						     trace->host, false);
-	}
-
+	err = machine__synthesize_threads(trace->host, &trace->tool, &trace->opts.target,
+					  evlist->threads, trace__tool_process, false);
 	if (err)
 		symbol__exit();
 
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index ce034c1..9f2c61d 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -1394,3 +1394,15 @@ int machine__for_each_thread(struct machine *machine,
 	}
 	return rc;
 }
+
+int machine__synthesize_threads(struct machine *machine, struct perf_tool *tool,
+				struct perf_target *target, struct thread_map *threads,
+				perf_event__handler_t process, bool data_mmap)
+{
+	if (perf_target__has_task(target))
+		return perf_event__synthesize_thread_map(tool, threads, process, machine, data_mmap);
+	else if (perf_target__has_cpu(target))
+		return perf_event__synthesize_threads(tool, process, machine, data_mmap);
+	/* command specified */
+	return 0;
+}
diff --git a/tools/perf/util/machine.h b/tools/perf/util/machine.h
index 2389ba8..14a89d2 100644
--- a/tools/perf/util/machine.h
+++ b/tools/perf/util/machine.h
@@ -4,6 +4,7 @@
 #include <sys/types.h>
 #include <linux/rbtree.h>
 #include "map.h"
+#include "event.h"
 
 struct addr_location;
 struct branch_stack;
@@ -178,4 +179,7 @@ int machine__for_each_thread(struct machine *machine,
 			     int (*fn)(struct thread *thread, void *p),
 			     void *priv);
 
+int machine__synthesize_threads(struct machine *machine, struct perf_tool *tool,
+				struct perf_target *target, struct thread_map *threads,
+				perf_event__handler_t process, bool data_mmap);
 #endif /* __PERF_MACHINE_H */
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ