Re: [V11,3/4] tools/perf: Map the ID values with register names

From: Michael Ellerman
Date: Thu Apr 21 2016 - 09:39:32 EST


On Sat, 2016-20-02 at 05:02:47 UTC, Anju T wrote:
> Map ID values with corresponding register names. These names are then
> displayed when user issues perf record with the -I option
> followed by perf report/script with -D option.
>
> To test this patchset,
> Eg:
> $ perf record -I ls # record machine state at interrupt
> $ perf script -D # read the perf.data file
>
> Sample output obtained for this patch / output looks like as follows:
>
> 496768515470 0x1988 [0x188]: PERF_RECORD_SAMPLE(IP, 0x1): 4522/4522: 0xc0000000001e538c period: 1 addr: 0
> ... intr regs: mask 0x7ffffffffff ABI 64-bit
> .... r0 0xc0000000001e5e34
> .... r1 0xc000000fe733f9a0
> .... r2 0xc000000001523100
> .... r3 0xc000000ffaadeb60
> .... r4 0xc000000003456800
> .... r5 0x73a9b5e000
> .... r6 0x1e000000
> .... r7 0x0
> .... r8 0x0
> .... r9 0x0
> .... r10 0x1
> .... r11 0x0
> .... r12 0x24022822
> .... r13 0xc00000000feec180
> .... r14 0x0
> .... r15 0xc000001e4be18800
> .... r16 0x0
> .... r17 0xc000000ffaac5000
> .... r18 0xc000000fe733f8a0
> .... r19 0xc000000001523100
> .... r20 0xc00000000009fd1c
> .... r21 0xc000000fcaa69000
> .... r22 0xc0000000001e4968
> .... r23 0xc000000001523100
> .... r24 0xc000000fe733f850
> .... r25 0xc000000fcaa69000
> .... r26 0xc000000003b8fcf0
> .... r27 0xfffffffffffffead
> .... r28 0x0
> .... r29 0xc000000fcaa69000
> .... r30 0x1
> .... r31 0x0
> .... nip 0xc0000000001dd320
> .... msr 0x9000000000009032
> .... orig_r3 0xc0000000001e538c
> .... ctr 0xc00000000009d550
> .... link 0xc0000000001e5e34
> .... xer 0x0
> .... ccr 0x84022882
> .... softe 0x0
> .... trap 0xf01
> .... dar 0x0
> .... dsisr 0xf00040060000004
> ... thread: :4522:4522
> ...... dso: /root/.debug/.build-id/b0/ef11b1a1629e62ac9de75199117ee5ef9469e9
> :4522 4522 496.768515: 1 cycles: c0000000001e538c .perf_event_context_sched_in (/boot/vmlinux)
>
> Signed-off-by: Anju T <anju@xxxxxxxxxxxxxxxxxx>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/dc642e8388b63a9a221903584b

cheers