On Wed, Dec 05, 2018 at 01:54:30PM -0300, Arnaldo Carvalho de Melo wrote: > Em Wed, Dec 05, 2018 at 01:28:38PM +0100, Jiri Olsa escreveu: > > On Mon, Dec 03, 2018 at 04:18:48PM -0800, Andi Kleen wrote: > > > From: Andi Kleen <[email protected]> > > > > > > When looking at PT or brstackinsn traces with perf script > > > it can be very useful to see the source code. This adds a simple > > > facility to print them with perf script, if the information > > > is available through dwarf > > > > > > % perf record ... > > > % perf script -F insn,ip,sym,srccode > > > ... > > > > > > 4004c6 main > > > 5 for (i = 0; i < 10000000; i++) > > > 4004cd main > > > 5 for (i = 0; i < 10000000; i++) > > > 4004c6 main > > > 5 for (i = 0; i < 10000000; i++) > > > 4004cd main > > > 5 for (i = 0; i < 10000000; i++) > > > 4004cd main > > > 5 for (i = 0; i < 10000000; i++) > > > 4004cd main > > > 5 for (i = 0; i < 10000000; i++) > > > 4004cd main > > > 5 for (i = 0; i < 10000000; i++) > > > 4004cd main > > > 5 for (i = 0; i < 10000000; i++) > > > 4004b3 main > > > 6 v++; > > > > > > % perf record -b ... > > > % perf script -F insn,ip,sym,srccode,brstackinsn > > > > > > ... > > > main+22: > > > 0000000000400543 insn: e8 ca ff ff ff # PRED > > > |18 f1(); > > > f1: > > > 0000000000400512 insn: 55 > > > |10 { > > > 0000000000400513 insn: 48 89 e5 > > > 0000000000400516 insn: b8 00 00 00 00 > > > |11 f2(); > > > 000000000040051b insn: e8 d6 ff ff ff # PRED > > > f2: > > > 00000000004004f6 insn: 55 > > > |5 { > > > 00000000004004f7 insn: 48 89 e5 > > > 00000000004004fa insn: 8b 05 2c 0b 20 00 > > > |6 c = a / b; > > > 0000000000400500 insn: 8b 0d 2a 0b 20 00 > > > 0000000000400506 insn: 99 > > > 0000000000400507 insn: f7 f9 > > > 0000000000400509 insn: 89 05 29 0b 20 00 > > > 000000000040050f insn: 90 > > > |7 } > > > 0000000000400510 insn: 5d > > > 0000000000400511 insn: c3 # PRED > > > f1+14: > > > 0000000000400520 insn: b8 00 00 00 00 > > > |12 f2(); > > > 0000000000400525 insn: e8 cc ff ff ff # PRED > > > f2: > > > 00000000004004f6 insn: 55 > > > |5 { > > > 00000000004004f7 insn: 48 89 e5 > > > 00000000004004fa insn: 8b 05 2c 0b 20 00 > > > |6 c = a / b; > > > > > > Not supported for callchains currently, would need some > > > layout changes there. > > > > nice, works nicely, especialy with --xed > > The above seems to imply you actually tested it, was that the case? Can > you please provide me the exact 'perf record' line you used, that is > lacking in Andi's original commit log message?
yep.. # ./perf record -e intel_pt//u -- ./perf jirka
