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 13 23:20:48 PDT 2023


> -----Original Message-----
> From: Pandey, Radhey Shyam
> Sent: Friday, July 14, 2023 11:28 AM
> To: James Clark <james.clark at arm.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"
> 
> > -----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-E16
> > >> .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?
> 
> 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:?

On X86_64:
echo "12345" | aarch64-linux-gnu-addr2line  -e ~/.debug/home/root/main/70180e5f45591089669808f03ecf6c82d526ec86/elf
??:0

On aarch64 target.
echo "12345" | addr2line -e main 
??:0


> >
> > 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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