Messages in this thread Patch in this message | | | Date | Mon, 14 Sep 2015 23:58:03 -0700 | From | tip-bot for Jan Stancek <> | Subject | [tip:perf/core] perf tests: Make objdump disassemble zero blocks |
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Commit-ID: 06f679c18fcf414cc8462938466f8361315f18cb Gitweb: http://git.kernel.org/tip/06f679c18fcf414cc8462938466f8361315f18cb Author: Jan Stancek <jstancek@redhat.com> AuthorDate: Thu, 3 Sep 2015 13:23:32 +0200 Committer: Arnaldo Carvalho de Melo <acme@redhat.com> CommitDate: Mon, 14 Sep 2015 12:50:11 -0300
perf tests: Make objdump disassemble zero blocks
Add -z parameter to avoid skipping zero blocks:
ffffffff816704fe <sysret_check+0x4b>: ffffffff816704fe: 7b 34 jnp ffffffff81670534 <sysret_signal+0x1c> ... ffffffff81670501 <sysret_careful>: ffffffff81670501: 0f ba e2 03 bt $0x3,%edx ffffffff81670505: 73 11 jae ffffffff81670518 <sysret_signal>
Signed-off-by: Jan Stancek <jstancek@redhat.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/130c6267fbdb9af506633a9efa06f3269ff5bd2c.1441275982.git.jstancek@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> --- tools/perf/tests/code-reading.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-reading.c index 38ee90b..c409409 100644 --- a/tools/perf/tests/code-reading.c +++ b/tools/perf/tests/code-reading.c @@ -128,7 +128,7 @@ static int read_via_objdump(const char *filename, u64 addr, void *buf, FILE *f; int ret; - fmt = "%s -d --start-address=0x%"PRIx64" --stop-address=0x%"PRIx64" %s"; + fmt = "%s -z -d --start-address=0x%"PRIx64" --stop-address=0x%"PRIx64" %s"; ret = snprintf(cmd, sizeof(cmd), fmt, "objdump", addr, addr + len, filename); if (ret <= 0 || (size_t)ret >= sizeof(cmd))
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