Perf + Opencsd (aarch64) Off Target Trace Decoding shows "could not read first record/send request"
Pandey, Radhey Shyam
radhey.shyam.pandey at amd.com
Thu Jul 20 00:39:40 PDT 2023
> -----Original Message-----
> From: James Clark <james.clark at arm.com>
> Sent: Friday, July 14, 2023 2:16 PM
> To: Pandey, Radhey Shyam <radhey.shyam.pandey at amd.com>
> Cc: coresight at lists.linaro.org; linux-arm-kernel at lists.infradead.org; Sarangi,
> Anirudha <anirudha.sarangi at amd.com>; mathieu.poirier at linaro.org;
> mike.leach at linaro.org; leo.yan at linaro.org;
> alexander.shishkin at linux.intel.com; Suzuki K Poulose
> <suzuki.poulose at arm.com>
> Subject: Re: Perf + Opencsd (aarch64) Off Target Trace Decoding shows
> "could not read first record/send request"
>
>
>
> On 14/07/2023 06:57, Pandey, Radhey Shyam wrote:
> >> -----Original Message-----
> >> From: James Clark <james.clark at arm.com>
> >> Sent: Tuesday, July 11, 2023 10:04 PM
> >> To: Pandey, Radhey Shyam <radhey.shyam.pandey at amd.com>
> >> Cc: coresight at lists.linaro.org; linux-arm-kernel at lists.infradead.org;
> >> Sarangi, Anirudha <anirudha.sarangi at amd.com>;
> >> mathieu.poirier at linaro.org; mike.leach at linaro.org;
> >> leo.yan at linaro.org; alexander.shishkin at linux.intel.com; Suzuki K
> >> Poulose <suzuki.poulose at arm.com>
> >> Subject: Re: Perf + Opencsd (aarch64) Off Target Trace Decoding shows
> >> "could not read first record/send request"
> >>
> >>
> >>
> >> On 11/07/2023 11:40, Suzuki K Poulose wrote:
> >>> On 11/07/2023 10:26, Pandey, Radhey Shyam wrote:
> >>>> Hi all,
> >>>>
> >>>> I am trying off Target Trace Decoding using arm-cs-trace-disasm.py
> >>>> but it doesn’t show
> >>>>
> >>>> proper disassembly. There is unexpected warning "could not read
> >>>> first record".
> >>>
> >>>
> >>>>
> >>>> Any pointers on what the issue could be?
> >>>>
> >>>> Meanwhile I am trying to do trace decoding on aarch64 target and
> >>>> see if that helps.
> >>>>
> >>>> I have taken simple example mentioned in [1].
> >>>>
> >>>> [1]:
> >>>> http://events17.linuxfoundation.org/sites/events/files/slides/ELC-E
> >>>> 16
> >>>> .pdf
> >>>> <http://events17.linuxfoundation.org/sites/events/files/slides/ELC-
> >>>> E1
> >>>> 6.pdf>
> >>>>
> >>>> #include int coresight_test1(int val);
> >>>>
> >>>> int main(void) {
> >>>>
> >>>> int val; val = coresight_test1(10);
> >>>>
> >>>> printf("val: %d\n", val);
> >>>>
> >>>> return 0;
> >>>>
> >>>> }
> >>>>
> >>>> perf record -e cs_etm/@tmc_etf0/u --filter
> >>>> 'filter0x5a8/0x5e4@/home/root/libcstest.so.1.0' --per-thread ./main
> >>>>
> >>>> tar czf cs_example.tgz perf.data ~/.debug
> >>>>
> >>>> Off Target Trace Decoding: “perf report”
> >>>>
> >>>> tar xf cs_example.tgz
> >>>>
> >>>> $ rm -rf ~/.debug // remove previous trace data
> >>>>
> >>>> $ cp -dpR .debug ~/ // copy the current trace data
> >>>>
> >>>> $ perf report --stdio
> >>>>
> >>>> linux-xlnx/tools/perf/perf --exec-path=
> >>>> <snip>/linux-xlnx/tools/perf script
> >>>> tools/perf/scripts/python/arm-cs-trace-disasm.py -- -d
> >>>> ${XTOOL_PATH}/aarch64-linux-gnu-objdump -v
> >>>>
> >>>
> >>> I believe the perf script doesn't work with coresight trace decoding
> >>> as we need a two pass approach for decoding the stream for figuring
> >>> out the parameters for the queues. James Clark can give you the
> >>> exact
> >> reason.
> >>>
> >>> Suzuki
> >>
> >> No that script is still working, I just tried it on and off target and it's all fine.
> >>
> >> I didn't use --exec-path=, I'm not sure why that's in that linked
> >> pdf, but it didn't cause the same issue that you see if I added it.
> >>
> >> The "could not read first record" errors actually come from the
> >> addr2line part of Perf rather than this script. Do you have perf
> >> report/annotate working without the script?
> >
> > I tried perf capture and report on aarch64 target platform (To avoid
> > any possible cross-platform issue) With that perf report seems working
> > but perf annotate is not working. Any suggestions on what could be the
> issue?
> >
>
> Which features do you have compiled into Perf? If you don't have libelf and
> some others then annotate won't work:
Post including libelf I can see disassembly.
ARM CoreSight Trace Data Assembler Dump
00000000000005d0 <coresight_test1+0x28>:
5d0: b9401fe0 ldr w0, [sp, #28]
5d4: 7100101f cmp w0, #0x4
<snip>
Thanks for the guidance on getting it work!
>
> $ ldd ./perf
>
> linux-vdso.so.1
> libunwind-x86_64.so.8 => /lib/x86_64-linux-gnu/libunwind-x86_64.so.8
> libunwind.so.8 => /lib/x86_64-linux-gnu/libunwind.so.8
> liblzma.so.5 => /lib/x86_64-linux-gnu/liblzma.so.5
> libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6
> libopencsd_c_api.so.1 => /lib/x86_64-linux-gnu/libopencsd_c_api.so.1
> libelf.so.1 => /lib/x86_64-linux-gnu/libelf.so.1
> libcrypto.so.3 => /lib/x86_64-linux-gnu/libcrypto.so.3
> libslang.so.2 => /lib/x86_64-linux-gnu/libslang.so.2
> libpython3.10.so.1.0 => /lib/x86_64-linux-gnu/libpython3.10.so.1.0
> libcrypt.so.1 => /lib/x86_64-linux-gnu/libcrypt.so.1
> libz.so.1 => /lib/x86_64-linux-gnu/libz.so.1
> libzstd.so.1 => /lib/x86_64-linux-gnu/libzstd.so.1
> libcap.so.2 => /lib/x86_64-linux-gnu/libcap.so.2
> libtraceevent.so.1 => /lib/x86_64-linux-gnu/libtraceevent.so.1
> libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6
> /lib64/ld-linux-x86-64.so.2
> libopencsd.so.1 => /lib/x86_64-linux-gnu/libopencsd.so.1
> libstdc++.so.6 => /lib/x86_64-linux-gnu/libstdc++.so.6
> libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1
> libexpat.so.1 => /lib/x86_64-linux-gnu/libexpat.so.1
>
> > Copied perf report , annotate and script o/p logs below.
> >
> > Cross-compilation steps:
> > aarch64-linux-gnu-gcc -shared -g libcstest.c -o libcstest.so.1.0
> > aarch64-linux-gnu-gcc -g main.c -L. -l:libcstest.so.1.0 -o main Copied
> > it to host.
> >
> > On Target:
> >
> > perf record -e cs_etm/@tmc_etf0/u --filter 'filter
> > 0x5a8/0x5e4@/home/root/libcstest.so.1.0' --per-thread ./main
> > val: 20
> > [ perf record: Woken up 1 times to write data ] [ perf record:
> > Captured and wrote 0.002 MB perf.data ]
> >
> > xilinx-vck190-20231:~# perf report -D 2>&1 | tee
> > Warning:
> > Please install libunwind or libdw development packages during the perf
> build.
> > # To display the perf.data header info, please use --header/--header-only
> options.
> > #
> >
> > 0x198 at perf.data [0x38]: event: 79
> > .
> > . ... raw event: size 56 bytes
> > . 0000: 4f 00 00 00 00 00 38 00 15 00 00 00 00 00 00 00 O.....8.........
> > . 0010: 00 00 40 01 00 00 00 00 46 ab c4 36 cd ff ff ff .. at .....F..6....
> > . 0020: 02 20 33 14 05 00 00 00 ff ff ff ff ff ff ff 01 . 3.............
> > . 0030: 01 01 00 00 00 00 00 00 ........
> >
> > 0x198 [0x38]: PERF_RECORD_TIME_CONV
> > ... Time Shift 21
> > ... Time Muliplier 20971520
> > ... Time Zero 18446743855585078086
> > ... Time Cycles 21813731330
> > ... Time Mask 0x1ffffffffffffff
> > ... Cap Time Zero 1
> > ... Cap Time Short 1
> > : unhandled!
> >
> > 0x1d0 at perf.data [0x50]: event: 69
> > .
> > . ... raw event: size 80 bytes
> > . 0000: 45 00 00 00 00 00 50 00 02 00 00 00 00 00 00 00 E.....P.........
> > . 0010: 1a 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
> > . 0020: ff ff ff ff ff ff ff ff 46 03 00 00 00 00 00 00 ........F.......
> > . 0030: 1b 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
> > . 0040: ff ff ff ff ff ff ff ff 46 03 00 00 00 00 00 00 ........F.......
> >
> > 0x1d0 [0x50]: PERF_RECORD_ID_INDEX nr: 2 ... id: 26 idx: 0 cpu: -1
> > tid: 838 ... id: 27 idx: 0 cpu: -1 tid: 838
> >
> > 0x220 at perf.data [0xc8]: event: 70
> > .
> > . ... raw event: size 200 bytes
> > . 0000: 46 00 00 00 00 00 c8 00 03 00 00 00 00 00 00 00 F...............
> > . 0010: 01 00 00 00 00 00 00 00 02 00 00 00 08 00 00 00 ................
> > . 0020: 00 00 00 00 00 00 00 00 40 40 40 40 40 40 40 40
> > ........@@@@@@@@ . 0030: 00 00 00 00 00 00 00 00 07 00 00 00 00 00 00
> 00 ................
> > . 0040: 00 00 00 00 00 00 00 00 10 00 00 00 00 00 00 00 ................
> > . 0050: a1 0e 00 28 00 00 00 00 01 f4 00 41 00 00 00 00 ...(.......A....
> > . 0060: 88 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
> > . 0070: cc 00 00 00 00 00 00 00 40 40 40 40 40 40 40 40
> > ........@@@@@@@@ . 0080: 01 00 00 00 00 00 00 00 07 00 00 00 00 00 00
> 00 ................
> > . 0090: 00 00 00 00 00 00 00 00 12 00 00 00 00 00 00 00 ................
> > . 00a0: a1 0e 00 28 00 00 00 00 01 f4 00 41 00 00 00 00 ...(.......A....
> > . 00b0: 88 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
> > . 00c0: cc 00 00 00 00 00 00 00 ........
> >
> > 0x220 [0xc8]: PERF_RECORD_AUXTRACE_INFO type: 3
> > Header version 1
> > PMU type/num cpus 800000002
> > Snapshot 0
> > Magic number 4040404040404040
> > CPU 0
> > NR_TRC_PARAMS 7
> > TRCCONFIGR 0
> > TRCTRACEIDR 10
> > TRCIDR0 28000ea1
> > TRCIDR1 4100f401
> > TRCIDR2 488
> > TRCIDR8 0
> > TRCAUTHSTATUS cc
> > Magic number 4040404040404040
> > CPU 1
> > NR_TRC_PARAMS 7
> > TRCCONFIGR 0
> > TRCTRACEIDR 12
> > TRCIDR0 28000ea1
> > TRCIDR1 4100f401
> > TRCIDR2 488
> > TRCIDR8 0
> > TRCAUTHSTATUS cc
> >
> > 0@(null) [0x90]: event: 64
> > .
> > . ... raw event: size 144 bytes
> > . 0000: 40 00 00 00 00 00 90 00 00 00 00 00 80 00 00 00 @...............
> > . 0010: 04 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 ................
> > . 0020: 0b 01 01 00 00 00 00 00 14 00 00 00 00 00 00 00 ................
> > . 0030: 60 00 14 00 00 00 00 00 00 00 00 00 00 00 00 00 `...............
> > . 0040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
> > . 0050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
> > . 0060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
> > . 0070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
> > . 0080: 00 00 00 00 00 00 00 00 1a ca 9a 3b 00 00 00 00 ...........;....
> >
> > 0 [0x90]: PERF_RECORD_ATTR
> > 0@(null) [0x90]: event: 64
> > .
> > . ... raw event: size 144 bytes
> > . 0000: 40 00 00 00 00 00 90 00 00 00 00 00 80 00 00 00 @...............
> > . 0010: 01 00 00 00 00 00 00 00 a0 86 01 00 00 00 00 00 ................
> > . 0020: 03 01 01 00 00 00 00 00 14 00 00 00 00 00 00 00 ................
> > . 0030: 60 00 14 00 00 00 00 00 00 00 00 00 00 00 00 00 `...............
> > . 0040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
> > . 0050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
> > . 0060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
> > . 0070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
> > . 0080: 00 00 00 00 00 00 00 00 1b ca 9a 3b 00 00 00 00 ...........;....
> >
> > 0 [0x90]: PERF_RECORD_ATTR
> > 0x2e8 at perf.data [0x28]: event: 73
> > .
> > . ... raw event: size 40 bytes
> > . 0000: 49 00 00 00 00 00 28 00 01 00 00 00 00 00 00 00 I.....(.........
> > . 0010: 46 03 00 00 00 00 00 00 00 00 00 00 00 00 00 00 F...............
> > . 0020: 00 00 00 00 00 00 00 00 ........
> >
> > 0x2e8 [0x28]: PERF_RECORD_THREAD_MAP nr: 1 thread: 838
> > : unhandled!
> >
> > 0x310 at perf.data [0x10]: event: 74
> > .
> > . ... raw event: size 16 bytes
> > . 0000: 4a 00 00 00 00 00 10 00 00 00 01 00 ff ff 00 00 J...............
> >
> > 0x310 [0x10]: PERF_RECORD_CPU_MAP: -1
> > : unhandled!
> >
> > 0x320 at perf.data [0x30]: event: 3
> > .
> > . ... raw event: size 48 bytes
> > . 0000: 03 00 00 00 00 00 30 00 46 03 00 00 46 03 00 00 ......0.F...F...
> > . 0010: 70 65 72 66 2d 65 78 65 63 00 00 00 00 00 00 00 perf-exec.......
> > . 0020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
> >
> > 0x320 [0x30]: PERF_RECORD_COMM: perf-exec:838/838
> >
> > 0x350 at perf.data [0x8]: event: 82
> > .
> > . ... raw event: size 8 bytes
> > . 0000: 52 00 00 00 00 00 08 00 R.......
> >
> > 0x350 [0x8]: PERF_RECORD_FINISHED_INIT: unhandled!
> >
> > 0x358 at perf.data [0x20]: event: 12
> > .
> > . ... raw event: size 32 bytes
> > . 0000: 0c 00 00 00 00 00 20 00 46 03 00 00 46 03 00 00 ...... .F...F...
> > . 0010: 46 03 00 00 46 03 00 00 1a 00 00 00 00 00 00 00 F...F...........
> >
> > 0x358 [0x20]: PERF_RECORD_ITRACE_START pid: 838 tid: 838
> >
> > 0x378 at perf.data [0x30]: event: 11
> > .
> > . ... raw event: size 48 bytes
> > . 0000: 0b 00 00 00 00 00 30 00 00 00 00 00 00 00 00 00 ......0.........
> > . 0010: 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ...............
> > . 0020: 46 03 00 00 46 03 00 00 1a 00 00 00 00 00 00 00 F...F...........
> >
> > 0x378 [0x30]: PERF_RECORD_AUX offset: 0 size: 0x20 flags: 0 []
> >
> > 0x3a8 at perf.data [0x28]: event: 3
> > .
> > . ... raw event: size 40 bytes
> > . 0000: 03 00 00 00 00 20 28 00 46 03 00 00 46 03 00 00 ..... (.F...F...
> > . 0010: 6d 61 69 6e 00 00 00 00 46 03 00 00 46 03 00 00 main....F...F...
> > . 0020: 1b 00 00 00 00 00 00 00 ........
> >
> > 0x3a8 [0x28]: PERF_RECORD_COMM exec: main:838/838
> >
> > 0x3d0 at perf.data [0x68]: event: 10
> > .
> > . ... raw event: size 104 bytes
> > . 0000: 0a 00 00 00 02 00 68 00 46 03 00 00 46 03 00 00 ......h.F...F...
> > . 0010: 00 00 f9 ba aa aa 00 00 00 10 02 00 00 00 00 00 ................
> > . 0020: 00 00 00 00 00 00 00 00 00 00 00 00 02 00 00 00 ................
> > . 0030: a6 43 00 00 00 00 00 00 00 00 00 00 00 00 00 00 .C..............
> > . 0040: 05 00 00 00 02 00 00 00 2f 68 6f 6d 65 2f 72 6f
> > ......../home/ro . 0050: 6f 74 2f 6d 61 69 6e 00 46 03 00 00 46 03 00 00
> ot/main.F...F...
> > . 0060: 1b 00 00 00 00 00 00 00 ........
> >
> > 0x3d0 [0x68]: PERF_RECORD_MMAP2 838/838: [0xaaaabaf90000(0x21000)
> @ 0
> > 00:02 17318 0]: r-xp /home/root/main
> >
> > 0x438 at perf.data [0x78]: event: 10
> > .
> > . ... raw event: size 120 bytes
> > . 0000: 0a 00 00 00 02 00 78 00 46 03 00 00 46 03 00 00 ......x.F...F...
> > . 0010: 00 c0 e3 ae ff ff 00 00 00 20 04 00 00 00 00 00 ......... ......
> > . 0020: 00 00 00 00 00 00 00 00 00 00 00 00 02 00 00 00 ................
> > . 0030: f1 06 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
> > . 0040: 05 00 00 00 02 00 00 00 2f 6c 69 62 2f 6c 64 2d
> > ......../lib/ld- . 0050: 6c 69 6e 75 78 2d 61 61 72 63 68 36 34 2e
> > 73 6f linux-aarch64.so . 0060: 2e 31 00 00 00 00 00 00 46 03 00 00 46 03 00
> 00 .1......F...F...
> > . 0070: 1b 00 00 00 00 00 00 00 ........
> >
> > 0x438 [0x78]: PERF_RECORD_MMAP2 838/838: [0xffffaee3c000(0x42000)
> @ 0
> > 00:02 1777 0]: r-xp /lib/ld-linux-aarch64.so.1
> >
> > 0x4b0 at perf.data [0x60]: event: 10
> > .
> > . ... raw event: size 96 bytes
> > . 0000: 0a 00 00 00 02 00 60 00 46 03 00 00 46 03 00 00 ......`.F...F...
> > . 0010: 00 90 e7 ae ff ff 00 00 00 10 00 00 00 00 00 00 ................
> > . 0020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
> > . 0030: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
> > . 0040: 05 00 00 00 02 00 00 00 5b 76 64 73 6f 5d 00 00 ........[vdso]..
> > . 0050: 46 03 00 00 46 03 00 00 1b 00 00 00 00 00 00 00 F...F...........
> >
> > 0x4b0 [0x60]: PERF_RECORD_MMAP2 838/838: [0xffffaee79000(0x1000) @
> 0
> > 00:00 0 0]: r-xp [vdso]
> >
> > 0x510 at perf.data [0x30]: event: 11
> > .
> > . ... raw event: size 48 bytes
> > . 0000: 0b 00 00 00 00 00 30 00 20 00 00 00 00 00 00 00 ......0. .......
> > . 0010: 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ...............
> > . 0020: 46 03 00 00 46 03 00 00 1a 00 00 00 00 00 00 00 F...F...........
> >
> > 0x510 [0x30]: PERF_RECORD_AUX offset: 0x20 size: 0x20 flags: 0 []
> >
> > 0x540 at perf.data [0x78]: event: 10
> > .
> > . ... raw event: size 120 bytes
> > . 0000: 0a 00 00 00 02 00 78 00 46 03 00 00 46 03 00 00 ......x.F...F...
> > . 0010: 00 00 e1 ae ff ff 00 00 00 10 02 00 00 00 00 00 ................
> > . 0020: 00 00 00 00 00 00 00 00 00 00 00 00 02 00 00 00 ................
> > . 0030: a8 43 00 00 00 00 00 00 00 00 00 00 00 00 00 00 .C..............
> > . 0040: 05 00 00 00 02 00 00 00 2f 68 6f 6d 65 2f 72 6f
> > ......../home/ro . 0050: 6f 74 2f 6c 69 62 63 73 74 65 73 74 2e 73 6f 2e
> ot/libcstest.so.
> > . 0060: 31 2e 30 00 00 00 00 00 46 03 00 00 46 03 00 00 1.0.....F...F...
> > . 0070: 1b 00 00 00 00 00 00 00 ........
> >
> > 0x540 [0x78]: PERF_RECORD_MMAP2 838/838: [0xffffaee10000(0x21000)
> @ 0
> > 00:02 17320 0]: r-xp /home/root/libcstest.so.1.0
> >
> > 0x5b8 at perf.data [0x68]: event: 10
> > .
> > . ... raw event: size 104 bytes
> > . 0000: 0a 00 00 00 02 00 68 00 46 03 00 00 46 03 00 00 ......h.F...F...
> > . 0010: 00 00 c6 ae ff ff 00 00 00 f0 1a 00 00 00 00 00 ................
> > . 0020: 00 00 00 00 00 00 00 00 00 00 00 00 02 00 00 00 ................
> > . 0030: ff 06 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
> > . 0040: 05 00 00 00 02 00 00 00 2f 6c 69 62 2f 6c 69 62
> > ......../lib/lib . 0050: 63 2e 73 6f 2e 36 00 00 46 03 00 00 46 03 00 00
> c.so.6..F...F...
> > . 0060: 1b 00 00 00 00 00 00 00 ........
> >
> > 0x5b8 [0x68]: PERF_RECORD_MMAP2 838/838: [0xffffaec60000(0x1af000)
> @ 0
> > 00:02 1791 0]: r-xp /lib/libc.so.6
> >
> > 0x620 at perf.data [0x30]: event: 11
> > .
> > . ... raw event: size 48 bytes
> > . 0000: 0b 00 00 00 00 00 30 00 40 00 00 00 00 00 00 00 ......0. at .......
> > . 0010: 50 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 P...............
> > . 0020: 46 03 00 00 46 03 00 00 1a 00 00 00 00 00 00 00 F...F...........
> >
> > 0x620 [0x30]: PERF_RECORD_AUX offset: 0x40 size: 0x50 flags: 0 []
> >
> > 0x650 at perf.data [0x30]: event: 4
> > .
> > . ... raw event: size 48 bytes
> > . 0000: 04 00 00 00 00 00 30 00 46 03 00 00 45 03 00 00 ......0.F...E...
> > . 0010: 46 03 00 00 45 03 00 00 66 a0 a1 b2 5b 03 00 00 F...E...f...[...
> > . 0020: 46 03 00 00 46 03 00 00 1b 00 00 00 00 00 00 00 F...F...........
> >
> > 0x650 [0x30]: PERF_RECORD_EXIT(838:838):(837:837)
> >
> > 0x680 at perf.data [0x30]: event: 71
> > .
> > . ... raw event: size 48 bytes
> > . 0000: 47 00 00 00 00 00 30 00 90 00 00 00 00 00 00 00 G.....0.........
> > . 0010: 00 00 00 00 00 00 00 00 c5 4c 5e 73 59 08 d6 7b
> > .........L^sY..{ . 0020: 00 00 00 00 46 03 00 00 ff ff ff ff 00 00 00 00
> ....F...........
> >
> > 0x680 [0x30]: PERF_RECORD_AUXTRACE size: 0x90 offset: 0 ref:
> > 0x7bd60859735e4cc5 idx: 0 tid: 838 cpu: -1
> >
> > . ... CoreSight ETMV4I Trace data: size 0x20 bytes
> > Idx:0; ID:12; I_ASYNC : Alignment Synchronisation.
> > Idx:12; ID:12; I_TRACE_INFO : Trace Info.; INFO=0x0 { CC.0 }
> >
> > . ... CoreSight ETMV4I Trace data: size 0x20 bytes
> > Idx:32; ID:12; I_ASYNC : Alignment Synchronisation.
> > Idx:44; ID:12; I_TRACE_INFO : Trace Info.; INFO=0x0 { CC.0 }
> >
> > . ... CoreSight ETMV4I Trace data: size 0x50 bytes
> > Idx:64; ID:12; I_ASYNC : Alignment Synchronisation.
> > Idx:76; ID:12; I_TRACE_INFO : Trace Info.; INFO=0x0 { CC.0 }
> > Idx:81; ID:12; I_TRACE_ON : Trace On.
> > Idx:82; ID:12; I_ADDR_CTXT_L_64IS0 : Address & Context, Long, 64
> bit, IS0.; Addr=0x0000FFFFAEE105A8; Ctxt: AArch64,EL0, NS;
> > Idx:92; ID:12; I_ATOM_F6 : Atom format 6.; EEEEEEN
> > Idx:93; ID:12; I_ATOM_F1 : Atom format 1.; E
> > Idx:94; ID:12; I_ADDR_L_64IS0 : Address, Long, 64 bit, IS0.;
> Addr=0x0000AAAABAF907E8;
> > Idx:104; ID:12; I_TRACE_ON : Trace On.
> > Idx:105; ID:12; I_ADDR_CTXT_L_64IS0 : Address & Context, Long, 64
> bit, IS0.; Addr=0x0000FFFFAEE105E8; Ctxt: AArch64,EL0, NS;
> > Idx:116; ID:12; I_ATOM_F1 : Atom format 1.; E
> > Idx:117; ID:12; I_ADDR_L_64IS0 : Address, Long, 64 bit, IS0.;
> Addr=0x0000FFFFAEE404E4;
> >
> > 0x740 at perf.data [0x8]: event: 68
> > .
> > . ... raw event: size 8 bytes
> > . 0000: 44 00 00 00 00 00 08 00 D.......
> >
> > 0x740 [0x8]: PERF_RECORD_FINISHED_ROUND
> >
> > Aggregated stats: (excludes AUX area (e.g. instruction trace) decoded /
> synthesized events)
> > TOTAL events: 22
> > COMM events: 2 ( 9.1%)
> > EXIT events: 1 ( 4.5%)
> > MMAP2 events: 5 (22.7%)
> > AUX events: 3 (13.6%)
> > ITRACE_START events: 1 ( 4.5%)
> > ATTR events: 2 ( 9.1%)
> > FINISHED_ROUND events: 1 ( 4.5%)
> > ID_INDEX events: 1 ( 4.5%)
> > AUXTRACE_INFO events: 1 ( 4.5%)
> > AUXTRACE events: 1 ( 4.5%)
> > THREAD_MAP events: 1 ( 4.5%)
> > CPU_MAP events: 1 ( 4.5%)
> > TIME_CONV events: 1 ( 4.5%)
> > FINISHED_INIT events: 1 ( 4.5%)
> >
> >
> > perf annotate -v 2>&1 | tee
> > build id event received for [kernel.kallsyms]:
> > 992c7046fc25c1546a5d8964379f9e2b8a969515 [20] build id event received
> > for /home/root/main: 70180e5f45591089669808f03ecf6c82d526ec86 [20]
> > build id event received for [vdso]:
> > eb5fc38014e87cf51cc0897695f4d46bb153f346 [20] build id event received
> > for /home/root/libcstest.so.1.0:
> > a6a6d7ec171f451670e7a8a08d422d2227588ac3 [20]
> >
> >
> > perf script -v 2>&1 | tee
> > build id event received for [kernel.kallsyms]:
> > 992c7046fc25c1546a5d8964379f9e2b8a969515 [20] build id event received
> > for /home/root/main: 70180e5f45591089669808f03ecf6c82d526ec86 [20]
> > build id event received for [vdso]:
> > eb5fc38014e87cf51cc0897695f4d46bb153f346 [20] build id event received
> for /home/root/libcstest.so.1.0:
> a6a6d7ec171f451670e7a8a08d422d2227588ac3 [20] Samples for
> 'cs_etm/@tmc_etf0/u' event do not have TIME attribute set. Skipping 'time'
> field.
> > Samples for 'cs_etm/@tmc_etf0/u' event do not have CPU attribute set.
> Skipping 'cpu' field.
> > Samples for 'branches:uH' event do not have TIME attribute set. Skipping
> 'time' field.
> > Samples for 'branches:uH' event do not have CPU attribute set. Skipping
> 'cpu' field.
> > main 838 1 branches:uH: 0 [unknown]
> ([unknown]) => ffffaee105a8 [unknown] (/home/root/libcstest.so.1.0)
> > main 838 1 branches:uH: ffffaee105b4 [unknown]
> (/home/root/libcstest.so.1.0) => ffffaee105d0 [unknown]
> (/home/root/libcstest.so.1.0)
> > main 838 1 branches:uH: ffffaee105d8 [unknown]
> (/home/root/libcstest.so.1.0) => ffffaee105b8 [unknown]
> (/home/root/libcstest.so.1.0)
> > main 838 1 branches:uH: ffffaee105d8 [unknown]
> (/home/root/libcstest.so.1.0) => ffffaee105b8 [unknown]
> (/home/root/libcstest.so.1.0)
> > main 838 1 branches:uH: ffffaee105d8 [unknown]
> (/home/root/libcstest.so.1.0) => ffffaee105b8 [unknown]
> (/home/root/libcstest.so.1.0)
> > main 838 1 branches:uH: ffffaee105d8 [unknown]
> (/home/root/libcstest.so.1.0) => ffffaee105b8 [unknown]
> (/home/root/libcstest.so.1.0)
> > main 838 1 branches:uH: ffffaee105d8 [unknown]
> (/home/root/libcstest.so.1.0) => ffffaee105b8 [unknown]
> (/home/root/libcstest.so.1.0)
> > main 838 1 branches:uH: ffffaee105e4 [unknown]
> (/home/root/libcstest.so.1.0) => 0 [unknown] ([unknown])
> > main 838 1 branches:uH: 0 [unknown]
> ([unknown]) => ffffaee105e8 [unknown] (/home/root/libcstest.so.1.0)
> >
> >
> > Thanks,
> > Radhey
> >
> >>
> >> Or does something like this work:
> >>
> >> $ echo "12345" | addr2line -e \
> >> ~/.debug/.build-
> >> id/b7/b30ba2c0f618615a8d32d86813718bb2fdb567/debug
> >>
> >> fpioconst.c:?
> >>
> >> I also just set the path to objdump directly rather than with a
> >> variable, but I assume XTOOL_PATH is set? Although I think it must be
> >> because you get a different error if objdump is missing.
> >>
> >> -d /usr/bin/aarch64-linux-gnu-objdump
> >>
> >> James
> >>
> >>>
> >>>
> >>>
> >>>
> >>>> ARM CoreSight Trace Data Assembler Dump
> >>>>
> >>>> addr2line /home/root/libcstest.so.1.0: could not read first record
> >>>>
> >>>> main 748/748 [0000] 0.000000000
> >>>> ffffad8c05d8 /home/root/libcstest.so.1.0
> >>>>
> >>>> addr2line /home/root/libcstest.so.1.0: could not send request
> >>>>
> >>>> main 748/748 [0000] 0.000000000
> >>>> ffffad8c05d8
> >>>>
> >>>> addr2line /home/root/libcstest.so.1.0: could not send request
> >>>>
> >>>> main 748/748 [0000] 0.000000000
> >>>> ffffad8c05d8
> >>>>
> >>>> addr2line /home/root/libcstest.so.1.0: could not send request
> >>>>
> >>>> main 748/748 [0000] 0.000000000
> >>>> ffffad8c05d8
> >>>>
> >>>> addr2line /home/root/libcstest.so.1.0: could not send request
> >>>>
> >>>> main 748/748 [0000] 0.000000000
> >>>> ffffad8c05d8
> >>>>
> >>>> addr2line /home/root/libcstest.so.1.0: could not send request
> >>>>
> >>>> main 748/748 [0000] 0.000000000
> >>>> ffffad8c05e4
> >>>>
> >>>> End
> >>>>
> >>>> tools/perf/perf report -D
> >>>>
> >>>> <snip>
> >>>>
> >>>> 0x680 [0x30]: PERF_RECORD_AUXTRACE size: 0x90 offset: 0 ref:
> >>>> 0x2890bdbd7cad6b6f idx: 0 tid: 748 cpu: -1
> >>>>
> >>>> . ... CoreSight ETMV4I Trace data: size 0x20 bytes
> >>>>
> >>>> Idx:0; ID:10; I_ASYNC : Alignment Synchronisation.
> >>>>
> >>>> Idx:12; ID:10; I_TRACE_INFO : Trace Info.; INFO=0x0 {
> >>>> CC.0 }
> >>>>
> >>>> . ... CoreSight ETMV4I Trace data: size 0x20 bytes
> >>>>
> >>>> Idx:32; ID:10; I_ASYNC : Alignment Synchronisation.
> >>>>
> >>>> Idx:44; ID:10; I_TRACE_INFO : Trace Info.; INFO=0x0 {
> >>>> CC.0 }
> >>>>
> >>>> . ... CoreSight ETMV4I Trace data: size 0x50 bytes
> >>>>
> >>>> Idx:64; ID:10; I_ASYNC : Alignment Synchronisation.
> >>>>
> >>>> Idx:76; ID:10; I_TRACE_INFO : Trace Info.; INFO=0x0 {
> >>>> CC.0 }
> >>>>
> >>>> Idx:81; ID:10; I_TRACE_ON : Trace On.
> >>>>
> >>>> Idx:82; ID:10; I_ADDR_CTXT_L_64IS0 : Address & Context,
> >>>> Long, 64 bit, IS0.; Addr=0x0000FFFFAD8C05A8; Ctxt: AArch64,EL0, NS;
> >>>>
> >>>> Idx:92; ID:10; I_ATOM_F6 : Atom format 6.; EEEEEEN
> >>>>
> >>>> Idx:93; ID:10; I_ATOM_F1 : Atom format 1.; E
> >>>>
> >>>> Idx:94; ID:10; I_ADDR_L_64IS0 : Address, Long, 64 bit,
> >>>> IS0.; Addr=0x0000AAAAAC9107E8;
> >>>>
> >>>> Idx:104; ID:10; I_TRACE_ON : Trace On.
> >>>>
> >>>> Idx:105; ID:10; I_ADDR_CTXT_L_64IS0 : Address & Context,
> >>>> Long, 64 bit, IS0.; Addr=0x0000FFFFAD8C05E8; Ctxt: AArch64,EL0, NS;
> >>>>
> >>>> Idx:116; ID:10; I_ATOM_F1 : Atom format 1.; E
> >>>>
> >>>> Idx:117; ID:10; I_ADDR_L_64IS0 : Address, Long, 64 bit,
> >>>> IS0.; Addr=0x0000FFFFAD8EB4E4;
> >>>>
> >>>> 0x740 at perf.data <mailto:0x740 at perf.data> [0x8]: event: 68
> >>>>
> >>>> .
> >>>>
> >>>> . ... raw event: size 8 bytes
> >>>>
> >>>> . 0000: 44 00 00 00 00 00 08 00 D.......
> >>>>
> >>>> 0x740 [0x8]: PERF_RECORD_FINISHED_ROUND
> >>>>
> >>>> Aggregated stats: (excludes AUX area (e.g. instruction trace)
> >>>> decoded / synthesized events)
> >>>>
> >>>> Thanks,
> >>>>
> >>>> Radhey
> >>>>
> >>>
> >>> _______________________________________________
> >>> CoreSight mailing list -- coresight at lists.linaro.org To unsubscribe
> >>> send an email to coresight-leave at lists.linaro.org
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