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Date: Wed, 24 Apr 2024 18:02:24 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Ian Rogers <irogers@...gle.com>
Cc: Namhyung Kim <namhyung@...nel.org>,
Kan Liang <kan.liang@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>,
Adrian Hunter <adrian.hunter@...el.com>,
Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...nel.org>, LKML <linux-kernel@...r.kernel.org>,
linux-perf-users@...r.kernel.org
Subject: Re: [PATCH] perf test: Add a new test for perf annotate
On Wed, Apr 24, 2024 at 11:09:48AM -0700, Ian Rogers wrote:
> On Tue, Apr 23, 2024 at 5:12 PM Namhyung Kim <namhyung@...nel.org> wrote:
> >
> > Add a basic perf annotate test
> >
> > $ ./perf test annotate -vv
> > 76: perf annotate basic tests:
> > --- start ---
> > test child forked, pid 846989
> > fbcd0-fbd55 l noploop
> > perf does have symbol 'noploop'
> > Basic perf annotate test
> > : 0 0xfbcd0 <noploop>:
> > 0.00 : fbcd0: pushq %rbp
> > 0.00 : fbcd1: movq %rsp, %rbp
> > 0.00 : fbcd4: pushq %r12
> > 0.00 : fbcd6: pushq %rbx
> > 0.00 : fbcd7: movl $1, %ebx
> > 0.00 : fbcdc: subq $0x10, %rsp
> > 0.00 : fbce0: movq %fs:0x28, %rax
> > 0.00 : fbce9: movq %rax, -0x18(%rbp)
> > 0.00 : fbced: xorl %eax, %eax
> > 0.00 : fbcef: testl %edi, %edi
> > 0.00 : fbcf1: jle 0xfbd04
> > 0.00 : fbcf3: movq (%rsi), %rdi
> > 0.00 : fbcf6: movl $0xa, %edx
> > 0.00 : fbcfb: xorl %esi, %esi
> > 0.00 : fbcfd: callq 0x41920
> > 0.00 : fbd02: movl %eax, %ebx
> > 0.00 : fbd04: leaq -0x7b(%rip), %r12 # fbc90 <sighandler>
> > 0.00 : fbd0b: movl $2, %edi
> > 0.00 : fbd10: movq %r12, %rsi
> > 0.00 : fbd13: callq 0x40a00
> > 0.00 : fbd18: movl $0xe, %edi
> > 0.00 : fbd1d: movq %r12, %rsi
> > 0.00 : fbd20: callq 0x40a00
> > 0.00 : fbd25: movl %ebx, %edi
> > 0.00 : fbd27: callq 0x407c0
> > 0.10 : fbd2c: movl 0x89785e(%rip), %eax # 993590 <done>
> > 0.00 : fbd32: testl %eax, %eax
> > 99.90 : fbd34: je 0xfbd2c
> > 0.00 : fbd36: movq -0x18(%rbp), %rax
> > 0.00 : fbd3a: subq %fs:0x28, %rax
> > 0.00 : fbd43: jne 0xfbd50
> > 0.00 : fbd45: addq $0x10, %rsp
> > 0.00 : fbd49: xorl %eax, %eax
> > 0.00 : fbd4b: popq %rbx
> > 0.00 : fbd4c: popq %r12
> > 0.00 : fbd4e: popq %rbp
> > 0.00 : fbd4f: retq
> > 0.00 : fbd50: callq 0x407e0
> > 0.00 : fbcd0: pushq %rbp
> > 0.00 : fbcd1: movq %rsp, %rbp
> > 0.00 : fbcd4: pushq %r12
> > 0.00 : fbcd0: push %rbp
> > 0.00 : fbcd1: mov %rsp,%rbp
> > 0.00 : fbcd4: push %r12
> > Basic annotate test [Success]
> > ---- end(0) ----
> > 76: perf annotate basic tests : Ok
> >
> > Signed-off-by: Namhyung Kim <namhyung@...nel.org>
>
> Looks good, thanks for this!
>
> Reviewed-by: Ian Rogers <irogers@...gle.com>
Thanks! Applied, with the following changes to improve the error
reporting, please holler if you disagree:
diff --git a/tools/perf/tests/shell/annotate.sh b/tools/perf/tests/shell/annotate.sh
index 7820d13eebaef535..1db1e8113d9943a6 100755
--- a/tools/perf/tests/shell/annotate.sh
+++ b/tools/perf/tests/shell/annotate.sh
@@ -36,7 +36,7 @@ test_basic() {
echo "Basic perf annotate test"
if ! perf record -o "${perfdata}" ${testprog} 2> /dev/null
then
- echo "Basic annotate [Failed record]"
+ echo "Basic annotate [Failed: perf record]"
err=1
return
fi
@@ -44,7 +44,7 @@ test_basic() {
# check if it has the target symbol
if ! perf annotate -i "${perfdata}" 2> /dev/null | grep "${testsym}"
then
- echo "Basic annotate [Failed missing symbol]"
+ echo "Basic annotate [Failed: missing target symbol]"
err=1
return
fi
@@ -52,7 +52,7 @@ test_basic() {
# check if it has the disassembly lines
if ! perf annotate -i "${perfdata}" 2> /dev/null | grep "${disasm_regex}"
then
- echo "Basic annotate [Failed missing disasm output]"
+ echo "Basic annotate [Failed: missing disasm output from default disassembler]"
err=1
return
fi
@@ -61,7 +61,7 @@ test_basic() {
if ! perf annotate -i "${perfdata}" "${testsym}" 2> /dev/null | \
grep -m 3 "${disasm_regex}"
then
- echo "Basic annotate [Failed missing disasm output]"
+ echo "Basic annotate [Failed: missing disasm output when specifying the target symbol]"
err=1
return
fi
@@ -70,7 +70,7 @@ test_basic() {
if ! perf annotate -i "${perfdata}" --objdump=objdump 2> /dev/null | \
grep -m 3 "${disasm_regex}"
then
- echo "Basic annotate [Failed missing disasm output from objdump]"
+ echo "Basic annotate [Failed: missing disasm output from non default disassembler (using --objdump)]"
err=1
return
fi
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