perf: Support setting the disassembler style
Add -M option to report/annotate to pass directly to objdump. This
allows to use -M intel for intel style disassembler syntax, which is
useful for people who are very used to the Intel syntax.
Link: http://lkml.kernel.org/r/1316122302-24306-2-git-send-email-andi@firstfloor.org
[committer note: Add missing Documentation bits, fixup conflicts with 3e6a2a7]
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Stephane Eranian <eranian@google.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/Documentation/perf-annotate.txt b/tools/perf/Documentation/perf-annotate.txt
index 98a31e3..0102d83 100644
--- a/tools/perf/Documentation/perf-annotate.txt
+++ b/tools/perf/Documentation/perf-annotate.txt
@@ -83,6 +83,9 @@
--symfs=<directory>::
Look for files with symbols relative to this directory.
+-M::
+--disassembler-style=:: Set disassembler style for objdump.
+
SEE ALSO
--------
linkperf:perf-record[1], linkperf:perf-report[1]
diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index 04253c0..6349b6c 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -134,6 +134,9 @@
CPUs are specified with -: 0-2. Default is to report samples on all
CPUs.
+-M::
+--disassembler-style=:: Set disassembler style for objdump.
+
SEE ALSO
--------
linkperf:perf-stat[1]
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index c5be288..cf68819 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -273,6 +273,8 @@
"Interleave source code with assembly code (default)"),
OPT_BOOLEAN('0', "asm-raw", &symbol_conf.annotate_asm_raw,
"Display raw encoding of assembly instructions (default)"),
+ OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
+ "Specify disassembler style (e.g. -M intel for intel syntax)"),
OPT_END()
};
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index d7ff277..a0673ee 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -487,6 +487,8 @@
OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
"Look for files with symbols relative to this directory"),
OPT_STRING('c', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
+ OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
+ "Specify disassembler style (e.g. -M intel for intel syntax)"),
OPT_END()
};
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 01d36ba..bc8f477 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -16,6 +16,8 @@
#include "annotate.h"
#include <pthread.h>
+const char *disassembler_style;
+
int symbol__annotate_init(struct map *map __used, struct symbol *sym)
{
struct annotation *notes = symbol__annotation(sym);
@@ -323,9 +325,11 @@
dso, dso->long_name, sym, sym->name);
snprintf(command, sizeof(command),
- "objdump --start-address=0x%016" PRIx64
+ "objdump %s%s --start-address=0x%016" PRIx64
" --stop-address=0x%016" PRIx64
" -d %s %s -C %s|grep -v %s|expand",
+ disassembler_style ? "-M " : "",
+ disassembler_style ? disassembler_style : "",
map__rip_2objdump(map, sym->start),
map__rip_2objdump(map, sym->end),
symbol_conf.annotate_asm_raw ? "" : "--no-show-raw",
diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h
index c2c2868..6ede128 100644
--- a/tools/perf/util/annotate.h
+++ b/tools/perf/util/annotate.h
@@ -100,4 +100,6 @@
int refresh);
#endif
+extern const char *disassembler_style;
+
#endif /* __PERF_ANNOTATE_H */