* [PATCH] perf callchain: fixup help/config for no-unwinding
@ 2016-08-10 13:52 Rabin Vincent
2016-11-15 10:40 ` [tip:perf/core] perf callchain: Fixup " tip-bot for Rabin Vincent
0 siblings, 1 reply; 2+ messages in thread
From: Rabin Vincent @ 2016-08-10 13:52 UTC (permalink / raw)
To: acme; +Cc: hekuang, linux-kernel, Rabin Vincent
From: Rabin Vincent <rabinv@axis.com>
Since 841e3558b2d ("perf callchain: Recording 'dwarf' callchains do not need
DWARF unwinding support"), --call-graph dwarf is allowed in perf record
even without unwind support. A couple of other places don't reflect
this yet though: the help text should list dwarf as a valid record mode
and the dump_size config should be respected too.
Signed-off-by: Rabin Vincent <rabinv@axis.com>
---
tools/perf/util/callchain.c | 2 --
tools/perf/util/callchain.h | 4 ----
2 files changed, 6 deletions(-)
diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c
index 07fd30b..ae58b49 100644
--- a/tools/perf/util/callchain.c
+++ b/tools/perf/util/callchain.c
@@ -193,7 +193,6 @@ int perf_callchain_config(const char *var, const char *value)
if (!strcmp(var, "record-mode"))
return parse_callchain_record_opt(value, &callchain_param);
-#ifdef HAVE_DWARF_UNWIND_SUPPORT
if (!strcmp(var, "dump-size")) {
unsigned long size = 0;
int ret;
@@ -203,7 +202,6 @@ int perf_callchain_config(const char *var, const char *value)
return ret;
}
-#endif
if (!strcmp(var, "print-type"))
return parse_callchain_mode(value);
if (!strcmp(var, "order"))
diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h
index 13e7554..47cfd10 100644
--- a/tools/perf/util/callchain.h
+++ b/tools/perf/util/callchain.h
@@ -11,11 +11,7 @@
#define CALLCHAIN_HELP "setup and enables call-graph (stack chain/backtrace):\n\n"
-#ifdef HAVE_DWARF_UNWIND_SUPPORT
# define RECORD_MODE_HELP HELP_PAD "record_mode:\tcall graph recording mode (fp|dwarf|lbr)\n"
-#else
-# define RECORD_MODE_HELP HELP_PAD "record_mode:\tcall graph recording mode (fp|lbr)\n"
-#endif
#define RECORD_SIZE_HELP \
HELP_PAD "record_size:\tif record_mode is 'dwarf', max size of stack recording (<bytes>)\n" \
--
2.1.4
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [tip:perf/core] perf callchain: Fixup help/config for no-unwinding
2016-08-10 13:52 [PATCH] perf callchain: fixup help/config for no-unwinding Rabin Vincent
@ 2016-11-15 10:40 ` tip-bot for Rabin Vincent
0 siblings, 0 replies; 2+ messages in thread
From: tip-bot for Rabin Vincent @ 2016-11-15 10:40 UTC (permalink / raw)
To: linux-tip-commits; +Cc: mingo, rabinv, acme, linux-kernel, hekuang, hpa, tglx
Commit-ID: c56cb33b56c13493eeb95612f80e4dd6e35cd109
Gitweb: http://git.kernel.org/tip/c56cb33b56c13493eeb95612f80e4dd6e35cd109
Author: Rabin Vincent <rabinv@axis.com>
AuthorDate: Wed, 10 Aug 2016 15:52:28 +0200
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Mon, 7 Nov 2016 22:13:47 -0300
perf callchain: Fixup help/config for no-unwinding
Since 841e3558b2d ("perf callchain: Recording 'dwarf' callchains do not
need DWARF unwinding support"), --call-graph dwarf is allowed in 'perf
record' even without unwind support. A couple of other places don't
reflect this yet though: the help text should list dwarf as a valid
record mode and the dump_size config should be respected too.
Signed-off-by: Rabin Vincent <rabinv@axis.com>
Cc: He Kuang <hekuang@huawei.com>
Fixes: 841e3558b2de ("perf callchain: Recording 'dwarf' callchains do not need DWARF unwinding support")
Link: http://lkml.kernel.org/r/1470837148-7642-1-git-send-email-rabin.vincent@axis.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/util/callchain.c | 2 --
tools/perf/util/callchain.h | 4 ----
2 files changed, 6 deletions(-)
diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c
index 07fd30b..ae58b49 100644
--- a/tools/perf/util/callchain.c
+++ b/tools/perf/util/callchain.c
@@ -193,7 +193,6 @@ int perf_callchain_config(const char *var, const char *value)
if (!strcmp(var, "record-mode"))
return parse_callchain_record_opt(value, &callchain_param);
-#ifdef HAVE_DWARF_UNWIND_SUPPORT
if (!strcmp(var, "dump-size")) {
unsigned long size = 0;
int ret;
@@ -203,7 +202,6 @@ int perf_callchain_config(const char *var, const char *value)
return ret;
}
-#endif
if (!strcmp(var, "print-type"))
return parse_callchain_mode(value);
if (!strcmp(var, "order"))
diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h
index 13e7554..47cfd10 100644
--- a/tools/perf/util/callchain.h
+++ b/tools/perf/util/callchain.h
@@ -11,11 +11,7 @@
#define CALLCHAIN_HELP "setup and enables call-graph (stack chain/backtrace):\n\n"
-#ifdef HAVE_DWARF_UNWIND_SUPPORT
# define RECORD_MODE_HELP HELP_PAD "record_mode:\tcall graph recording mode (fp|dwarf|lbr)\n"
-#else
-# define RECORD_MODE_HELP HELP_PAD "record_mode:\tcall graph recording mode (fp|lbr)\n"
-#endif
#define RECORD_SIZE_HELP \
HELP_PAD "record_size:\tif record_mode is 'dwarf', max size of stack recording (<bytes>)\n" \
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2016-11-15 10:40 ` [tip:perf/core] perf callchain: Fixup " tip-bot for Rabin Vincent
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