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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> |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.