I get it. Is the timestamp for wall-clock or not??? What is the counting unit of timestamp? Seconds??
swapper 0 [000] 1591103.081337: instructions: c1022ae6 int swapper 0 [000] 1591103.081341: instructions: c1022ae6 int swapper 0 [000] 1591103.081343: instructions: c1022ae6 int swapper 0 [000] 1591103.081345: instructions: c1022ae6 int swapper 0 [000] 1591103.081348: instructions: c1036a26 __t swapper 0 [000] 1591103.081353: cycles: c1035e68 native_wr swapper 0 [000] 1591103.081355: cycles: c1035e68 native_wr swapper 0 [000] 1591103.081357: cycles: c1035e68 native_wr swapper 0 [000] 1591103.081359: cycles: c1035e68 native_wr swapper 0 [000] 1591103.081362: cycles: c101909c mwait_id Best wishes. Yours, Wang Peipei Best wishes. Yours, Wang Peipei On Sat, Aug 10, 2013 at 12:43 AM, Andi Kleen <a...@firstfloor.org> wrote: > Peipei Wang <wangpeipei...@gmail.com> writes: > >> I am trying to understand something about perf record. In its guide, >> perf record could use option -T to generate sample timestamp, and then >> use perf report -D to get them. >> >> However, what I get from perf report -D is something as follows. Does >> anyone have an idea what content of perf.data means? > > Use "perf script" to display the data instead. > > -Andi > > -- > a...@linux.intel.com -- Speaking for myself only -- To unsubscribe from this list: send the line "unsubscribe linux-perf-users" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html