From: tip-bot for Masami Hiramatsu <mhiramat@redhat.com>
To: linux-tip-commits@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@redhat.com,
jkenisto@us.ibm.com, rdunlap@xenotime.net,
dle-develop@lists.sourceforge.net, tglx@linutronix.de,
sfr@canb.auug.org.au, mhiramat@redhat.com, mingo@elte.hu,
systemtap@sources.redhat.com
Subject: [tip:perf/probes] x86: Show symbol name if insn decoder test failed
Date: Tue, 17 Nov 2009 06:34:00 -0000 [thread overview]
Message-ID: <tip-35039eb6b199749943547c8572be6604edf00229@git.kernel.org> (raw)
In-Reply-To: <20091116230624.5250.49813.stgit@harusame>
Commit-ID: 35039eb6b199749943547c8572be6604edf00229
Gitweb: http://git.kernel.org/tip/35039eb6b199749943547c8572be6604edf00229
Author: Masami Hiramatsu <mhiramat@redhat.com>
AuthorDate: Mon, 16 Nov 2009 18:06:24 -0500
Committer: Ingo Molnar <mingo@elte.hu>
CommitDate: Tue, 17 Nov 2009 07:16:50 +0100
x86: Show symbol name if insn decoder test failed
Show symbol name if insn decoder test find a difference.
This will help us to find out where the issue is.
Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Cc: systemtap <systemtap@sources.redhat.com>
Cc: DLE <dle-develop@lists.sourceforge.net>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Cc: Jim Keniston <jkenisto@us.ibm.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
LKML-Reference: <20091116230624.5250.49813.stgit@harusame>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
arch/x86/tools/distill.awk | 5 +++++
arch/x86/tools/test_get_len.c | 10 +++++++++-
2 files changed, 14 insertions(+), 1 deletions(-)
diff --git a/arch/x86/tools/distill.awk b/arch/x86/tools/distill.awk
index d433619..c13c0ee 100644
--- a/arch/x86/tools/distill.awk
+++ b/arch/x86/tools/distill.awk
@@ -15,6 +15,11 @@ BEGIN {
fwait_str="9b\tfwait"
}
+/^ *[0-9a-f]+ <[^>]*>:/ {
+ # Symbol entry
+ printf("%s%s\n", $2, $1)
+}
+
/^ *[0-9a-f]+:/ {
if (split($0, field, "\t") < 3) {
# This is a continuation of the same insn.
diff --git a/arch/x86/tools/test_get_len.c b/arch/x86/tools/test_get_len.c
index 5743e51..af75e07 100644
--- a/arch/x86/tools/test_get_len.c
+++ b/arch/x86/tools/test_get_len.c
@@ -110,7 +110,7 @@ static void parse_args(int argc, char **argv)
int main(int argc, char **argv)
{
- char line[BUFSIZE];
+ char line[BUFSIZE], sym[BUFSIZE] = "<unknown>";
unsigned char insn_buf[16];
struct insn insn;
int insns = 0, c;
@@ -122,6 +122,12 @@ int main(int argc, char **argv)
int nb = 0;
unsigned int b;
+ if (line[0] == '<') {
+ /* Symbol line */
+ strcpy(sym, line);
+ continue;
+ }
+
insns++;
memset(insn_buf, 0, 16);
strcpy(copy, line);
@@ -145,6 +151,8 @@ int main(int argc, char **argv)
insn_init(&insn, insn_buf, x86_64);
insn_get_length(&insn);
if (insn.length != nb) {
+ fprintf(stderr, "Error: %s found a difference at %s\n",
+ prog, sym);
fprintf(stderr, "Error: %s", line);
fprintf(stderr, "Error: objdump says %d bytes, but "
"insn_get_length() says %d\n", nb,
next prev parent reply other threads:[~2009-11-17 6:34 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-16 23:07 [PATCH -next 0/3] x86 insn decoder test updates (Re: linux-next: Tree for October 29 (x86 posttest)) Masami Hiramatsu
2009-11-16 23:07 ` [PATCH -next 2/3] x86: Show symbol name if insn decoder test failed Masami Hiramatsu
2009-11-17 6:34 ` tip-bot for Masami Hiramatsu [this message]
2009-11-16 23:07 ` [PATCH -next 3/3] x86: insn decoder test shows build warning Masami Hiramatsu
2009-11-20 5:43 ` [tip:perf/core] x86: Instruction decoder test should generate " tip-bot for Masami Hiramatsu
2009-11-16 23:07 ` [PATCH -next 1/3] x86: Add verbose option to insn decoder test Masami Hiramatsu
2009-11-17 6:34 ` [tip:perf/probes] " tip-bot for Masami Hiramatsu
2009-11-17 6:15 ` [PATCH -next 0/3] x86 insn decoder test updates (Re: linux-next: Tree for October 29 (x86 posttest)) Ingo Molnar
2009-11-17 6:54 ` Masami Hiramatsu
2009-11-18 4:45 ` H. Peter Anvin
2009-11-20 17:11 ` [PATCH -tip 0/2] x86 insn decoder test checking objdump version Masami Hiramatsu
2009-11-20 17:11 ` [PATCH -tip 2/2] x86: insn decoder test checks " Masami Hiramatsu
2009-11-20 17:11 ` [PATCH -tip 1/2] [BUGFIX] x86: Fix insn decoder test typos Masami Hiramatsu
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