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* perf intel-pt: Add Intel PT packet decoder testAdrian Hunter2019-06-171-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add Intel PT packet decoder test. This test feeds byte sequences to the Intel PT packet decoder and checks the results. Changes to the packet context are also checked. Committer testing: # perf test "Intel PT" 65: Intel PT packet decoder : Ok # perf test -v "Intel PT" 65: Intel PT packet decoder : --- start --- test child forked, pid 6360 Decoded ok: 00 PAD Decoded ok: 04 TNT N (1) Decoded ok: 06 TNT T (1) Decoded ok: 80 TNT NNNNNN (6) Decoded ok: fe TNT TTTTTT (6) Decoded ok: 02 a3 02 00 00 00 00 00 TNT N (1) Decoded ok: 02 a3 03 00 00 00 00 00 TNT T (1) Decoded ok: 02 a3 00 00 00 00 00 80 TNT NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN (47) Decoded ok: 02 a3 ff ff ff ff ff ff TNT TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT (47) Decoded ok: 0d TIP no ip Decoded ok: 2d 01 02 TIP 0x201 Decoded ok: 4d 01 02 03 04 TIP 0x4030201 Decoded ok: 6d 01 02 03 04 05 06 TIP 0x60504030201 Decoded ok: 8d 01 02 03 04 05 06 TIP 0x60504030201 Decoded ok: cd 01 02 03 04 05 06 07 08 TIP 0x807060504030201 Decoded ok: 11 TIP.PGE no ip Decoded ok: 31 01 02 TIP.PGE 0x201 Decoded ok: 51 01 02 03 04 TIP.PGE 0x4030201 Decoded ok: 71 01 02 03 04 05 06 TIP.PGE 0x60504030201 Decoded ok: 91 01 02 03 04 05 06 TIP.PGE 0x60504030201 Decoded ok: d1 01 02 03 04 05 06 07 08 TIP.PGE 0x807060504030201 Decoded ok: 01 TIP.PGD no ip Decoded ok: 21 01 02 TIP.PGD 0x201 Decoded ok: 41 01 02 03 04 TIP.PGD 0x4030201 Decoded ok: 61 01 02 03 04 05 06 TIP.PGD 0x60504030201 Decoded ok: 81 01 02 03 04 05 06 TIP.PGD 0x60504030201 Decoded ok: c1 01 02 03 04 05 06 07 08 TIP.PGD 0x807060504030201 Decoded ok: 1d FUP no ip Decoded ok: 3d 01 02 FUP 0x201 Decoded ok: 5d 01 02 03 04 FUP 0x4030201 Decoded ok: 7d 01 02 03 04 05 06 FUP 0x60504030201 Decoded ok: 9d 01 02 03 04 05 06 FUP 0x60504030201 Decoded ok: dd 01 02 03 04 05 06 07 08 FUP 0x807060504030201 Decoded ok: 02 43 02 04 06 08 0a 0c PIP 0x60504030201 (NR=0) Decoded ok: 02 43 03 04 06 08 0a 0c PIP 0x60504030201 (NR=1) Decoded ok: 99 00 MODE.Exec 16 Decoded ok: 99 01 MODE.Exec 64 Decoded ok: 99 02 MODE.Exec 32 Decoded ok: 99 20 MODE.TSX TXAbort:0 InTX:0 Decoded ok: 99 21 MODE.TSX TXAbort:0 InTX:1 Decoded ok: 99 22 MODE.TSX TXAbort:1 InTX:0 Decoded ok: 02 83 TraceSTOP Decoded ok: 02 03 12 00 CBR 0x12 Decoded ok: 19 01 02 03 04 05 06 07 TSC 0x7060504030201 Decoded ok: 59 12 MTC 0x12 Decoded ok: 02 73 00 00 00 00 00 TMA CTC 0x0 FC 0x0 Decoded ok: 02 73 01 02 00 00 00 TMA CTC 0x201 FC 0x0 Decoded ok: 02 73 00 00 00 ff 01 TMA CTC 0x0 FC 0x1ff Decoded ok: 02 73 80 c0 00 ff 01 TMA CTC 0xc080 FC 0x1ff Decoded ok: 03 CYC 0x0 Decoded ok: 0b CYC 0x1 Decoded ok: fb CYC 0x1f Decoded ok: 07 02 CYC 0x20 Decoded ok: ff fe CYC 0xfff Decoded ok: 07 01 02 CYC 0x1000 Decoded ok: ff ff fe CYC 0x7ffff Decoded ok: 07 01 01 02 CYC 0x80000 Decoded ok: ff ff ff fe CYC 0x3ffffff Decoded ok: 07 01 01 01 02 CYC 0x4000000 Decoded ok: ff ff ff ff fe CYC 0x1ffffffff Decoded ok: 07 01 01 01 01 02 CYC 0x200000000 Decoded ok: ff ff ff ff ff fe CYC 0xffffffffff Decoded ok: 07 01 01 01 01 01 02 CYC 0x10000000000 Decoded ok: ff ff ff ff ff ff fe CYC 0x7fffffffffff Decoded ok: 07 01 01 01 01 01 01 02 CYC 0x800000000000 Decoded ok: ff ff ff ff ff ff ff fe CYC 0x3fffffffffffff Decoded ok: 07 01 01 01 01 01 01 01 02 CYC 0x40000000000000 Decoded ok: ff ff ff ff ff ff ff ff fe CYC 0x1fffffffffffffff Decoded ok: 07 01 01 01 01 01 01 01 01 02 CYC 0x2000000000000000 Decoded ok: ff ff ff ff ff ff ff ff ff 0e CYC 0xffffffffffffffff Decoded ok: 02 c8 01 02 03 04 05 VMCS 0x504030201 Decoded ok: 02 f3 OVF Decoded ok: 02 f3 OVF Decoded ok: 02 f3 OVF Decoded ok: 02 82 02 82 02 82 02 82 02 82 02 82 02 82 02 82 PSB Decoded ok: 02 82 02 82 02 82 02 82 02 82 02 82 02 82 02 82 PSB Decoded ok: 02 82 02 82 02 82 02 82 02 82 02 82 02 82 02 82 PSB Decoded ok: 02 23 PSBEND Decoded ok: 02 c3 88 01 02 03 04 05 06 07 00 MNT 0x7060504030201 Decoded ok: 02 12 01 02 03 04 PTWRITE 0x4030201 IP:0 Decoded ok: 02 32 01 02 03 04 05 06 07 08 PTWRITE 0x807060504030201 IP:0 Decoded ok: 02 92 01 02 03 04 PTWRITE 0x4030201 IP:1 Decoded ok: 02 b2 01 02 03 04 05 06 07 08 PTWRITE 0x807060504030201 IP:1 Decoded ok: 02 62 EXSTOP IP:0 Decoded ok: 02 e2 EXSTOP IP:1 Decoded ok: 02 c2 00 00 00 00 00 00 00 00 MWAIT 0x0 Hints 0x0 Extensions 0x0 Decoded ok: 02 c2 01 02 03 04 05 06 07 08 MWAIT 0x807060504030201 Hints 0x1 Extensions 0x1 Decoded ok: 02 c2 ff 02 03 04 07 06 07 08 MWAIT 0x8070607040302ff Hints 0xff Extensions 0x3 Decoded ok: 02 22 00 00 PWRE 0x0 HW:0 CState:0 Sub-CState:0 Decoded ok: 02 22 01 02 PWRE 0x201 HW:0 CState:0 Sub-CState:2 Decoded ok: 02 22 80 34 PWRE 0x3480 HW:1 CState:3 Sub-CState:4 Decoded ok: 02 22 00 56 PWRE 0x5600 HW:0 CState:5 Sub-CState:6 Decoded ok: 02 a2 00 00 00 00 00 PWRX 0x0 Last CState:0 Deepest CState:0 Wake Reason 0x0 Decoded ok: 02 a2 01 02 03 04 05 PWRX 0x504030201 Last CState:0 Deepest CState:1 Wake Reason 0x2 Decoded ok: 02 a2 ff ff ff ff ff PWRX 0xffffffffff Last CState:15 Deepest CState:15 Wake Reason 0xf Decoded ok: 02 63 00 BBP SZ 8-byte Type 0x0 Decoded ok: 02 63 80 BBP SZ 4-byte Type 0x0 Decoded ok: 02 63 1f BBP SZ 8-byte Type 0x1f Decoded ok: 02 63 9f BBP SZ 4-byte Type 0x1f Decoded ok: 04 00 00 00 00 BIP ID 0x00 Value 0x0 Decoded ok: fc 00 00 00 00 BIP ID 0x1f Value 0x0 Decoded ok: 04 01 02 03 04 BIP ID 0x00 Value 0x4030201 Decoded ok: fc 01 02 03 04 BIP ID 0x1f Value 0x4030201 Decoded ok: 04 00 00 00 00 00 00 00 00 BIP ID 0x00 Value 0x0 Decoded ok: fc 00 00 00 00 00 00 00 00 BIP ID 0x1f Value 0x0 Decoded ok: 04 01 02 03 04 05 06 07 08 BIP ID 0x00 Value 0x807060504030201 Decoded ok: fc 01 02 03 04 05 06 07 08 BIP ID 0x1f Value 0x807060504030201 Decoded ok: 02 33 BEP IP:0 Decoded ok: 02 b3 BEP IP:1 Decoded ok: 02 33 BEP IP:0 Decoded ok: 02 b3 BEP IP:1 test child finished with 0 ---- end ---- Intel PT packet decoder: Ok # Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/r/20190610072803.10456-3-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf tools: Rename build libperf to perfJiri Olsa2019-02-141-7/+7
| | | | | | | | | | | | | Rename build libperf to perf, because it's used to build perf. The libperf build object name will be used for libperf library. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20190213123246.4015-4-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf tests: Add breakpoint modify testsJiri Olsa2018-08-301-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Adding to tests that aims on kernel breakpoint modification bugs. First test creates HW breakpoint, tries to change it and checks it was properly changed. It aims on kernel issue that prevents HW breakpoint to be changed via ptrace interface. The first test forks, the child sets itself as ptrace tracee and waits in signal for parent to trace it, then it calls bp_1 and quits. The parent does following steps: - creates a new breakpoint (id 0) for bp_2 function - changes that breakpoint to bp_1 function - waits for the breakpoint to hit and checks it has proper rip of bp_1 function This test aims on an issue in kernel preventing to change disabled breakpoints Second test mimics the first one except for few steps in the parent: - creates a new breakpoint (id 0) for bp_1 function - changes that breakpoint to bogus (-1) address - waits for the breakpoint to hit and checks it has proper rip of bp_1 function This test aims on an issue in kernel disabling enabled breakpoint after unsuccesful change. Committer testing: # uname -a Linux jouet 4.18.0-rc8-00002-g1236568ee3cb #12 SMP Tue Aug 7 14:08:26 -03 2018 x86_64 x86_64 x86_64 GNU/Linux # perf test -v "bp modify" 62: x86 bp modify : --- start --- test child forked, pid 25671 in bp_1 tracee exited prematurely 2 FAILED arch/x86/tests/bp-modify.c:209 modify test 1 failed test child finished with -1 ---- end ---- x86 bp modify: FAILED! # Signed-off-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Milind Chabbi <chabbi.milind@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180827091228.2878-2-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf tests: Remove Intel CQM perf testXiaochen Shen2017-09-211-1/+0
| | | | | | | | | | | | | | | | Intel CQM perf test is obsolete for perf PMU code has been removed in commit c39a0e2c8850 ("x86/perf/cqm: Wipe out perf based cqm"). Signed-off-by: Xiaochen Shen <xiaochen.shen@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Matt Fleming <matt@codeblueprint.co.uk> Cc: Pei P Jia <pei.p.jia@intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Tony Luck <tony.luck@intel.com> Cc: Vikas Shivappa <vikas.shivappa@linux.intel.com> Link: http://lkml.kernel.org/r/1505797057-16300-1-git-send-email-xiaochen.shen@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf tests: Add Intel CQM testMatt Fleming2015-10-051-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Peter reports that it's possible to trigger a WARN_ON_ONCE() in the Intel CQM code by combining a hardware event and an Intel CQM (software) event into a group. Unfortunately, the perf tools are not able to create this bundle and we need to manually construct a test case. For posterity, record Peter's proof of concept test case in tools/perf so that it presents a model for how we can perform architecture specific tests, or "arch tests", in perf in the future. The particular issue triggered in the test case is that when the counter for the hardware event overflows and triggers a PMI we'll read both the hardware event and the software event counters. Unfortunately, for CQM that involves performing an IPI to read the CQM event counters on all sockets, which in NMI context triggers the WARN_ON_ONCE(). Reported-by: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Matt Fleming <matt.fleming@intel.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Kanaka Juvva <kanaka.d.juvva@intel.com> Cc: Vikas Shivappa <vikas.shivappa@intel.com> Cc: Vince Weaver <vince@deater.net> Link: http://lkml.kernel.org/r/1437490509-15373-1-git-send-email-matt@codeblueprint.co.uk Link: http://lkml.kernel.org/n/tip-3p4ra0u8vzm7m289a1m799kf@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf tests: Move x86 tests into arch directoryMatt Fleming2015-10-051-0/+3
| | | | | | | | | | | | | | | | | | | | | Move out the x86-specific tests into tools/perf/arch/x86/tests and define an 'arch_tests' array, which is the list of tests that only apply to the build architecture. We can also now begin to get rid of some of the #ifdef code that is present in the generic perf tests. Signed-off-by: Matt Fleming <matt.fleming@intel.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Kanaka Juvva <kanaka.d.juvva@intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Vikas Shivappa <vikas.shivappa@intel.com> Cc: Vince Weaver <vince@deater.net> Link: http://lkml.kernel.org/n/tip-9s68h4ptg06ah0lgnjz55mqn@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf tests: Add arch testsMatt Fleming2015-10-051-2/+4
| | | | | | | | | | | | | | | | | | | | | | | Tests that only make sense for some architectures currently live in the same place as the generic tests. Move out the x86-specific tests into tools/perf/arch/x86/tests and define an 'arch_tests' array, which is the list of tests that only apply to the build architecture. The main idea is to encourage developers to add arch tests to build out perf's test coverage, without dumping everything in tools/perf/tests. Signed-off-by: Matt Fleming <matt.fleming@intel.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Kanaka Juvva <kanaka.d.juvva@intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Vikas Shivappa <vikas.shivappa@intel.com> Cc: Vince Weaver <vince@deater.net> Link: http://lkml.kernel.org/n/tip-p4uc1c15ssbj8xj7ku5slpa6@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf build: Add arch x86 objects buildingJiri Olsa2015-02-121-0/+2
Move the x86 arch objects building under build framework to be included in the libperf build object. Adding also arch/$(ARCH)/Build files for the rest of the archs. The reason for this is that in arch/Build we now do: +libperf-y += $(ARCH)/ which would make the build to fail on other architectures, because the build framework requires 'Build' file in nested directories and this patch adds it only for x86. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Tested-by: Will Deacon <will.deacon@arm.com> Cc: Alexis Berlemont <alexis.berlemont@gmail.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-5enob06z07m7ew6nzzdmp3n2@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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