On Tue, Oct 5, 2021 at 2:18 AM Nikita Shubin <nikita.shubin@xxxxxxxxxxx> wrote: > > On Fri, 10 Sep 2021 12:27:47 -0700 > Atish Patra <atish.patra@xxxxxxx> wrote: > > Hello Atish, > > > Perf stat: > > ========= > > > > [root@fedora-riscv riscv]# perf stat -e r8000000000000005 -e > > r8000000000000007 -e r8000000000000006 -e r0000000000020002 -e > > r0000000000020004 -e branch-misses -e cache-misses -e > > dTLB-load-misses -e dTLB-store-misses -e iTLB-load-misses -e cycles > > -e instructions ./hackbench -pipe 15 process Running with 15*40 (== > > 600) tasks. Time: 6.578 > > > > Performance counter stats for './hackbench -pipe 15 process': > > > > 6,491 r8000000000000005 (52.59%) --> > > SBI_PMU_FW_SET_TIMER 20,433 r8000000000000007 (60.74%) --> > > SBI_PMU_FW_IPI_RECVD 21,271 r8000000000000006 (68.71%) --> > > SBI_PMU_FW_IPI_SENT 0 r0000000000020002 (76.55%) > > <not counted> r0000000000020004 (0.00%) > > <not counted> branch-misses (0.00%) > > <not counted> cache-misses (0.00%) > > 57,537,853 dTLB-load-misses (9.49%) > > 2,821,147 dTLB-store-misses (18.64%) > > 52,928,130 iTLB-load-misses (27.53%) > > 89,521,791,110 cycles (36.08%) > > 90,678,132,464 instructions # 1.01 insn per cycle > > (44.44%) > > > > 6.975908032 seconds time elapsed > > > > 3.130950000 seconds user > > 24.353310000 seconds sys > > > > Tested your patch series with qemu and got results as expected: > > perf stat -e r8000000000000005 -e r8000000000000007 \ > -e r8000000000000006 -e r0000000000020002 -e r0000000000020004 -e > branch-misses \ -e cache-misses -e dTLB-load-misses -e > dTLB-store-misses -e iTLB-load-misses \ -e cycles -e instructions > ./hackbench -pipe 15 process > > Running with 15*40 (== 600) tasks.nch -pipe 15 process > Time: 20.027 > > Performance counter stats for './hackbench -pipe 15 process': > > 4896 r8000000000000005 > (53.34%) 0 r8000000000000007 > (61.20%) 0 > r8000000000000006 > (68.88%) 0 r0000000000020002 > (76.53%) <not counted> > r0000000000020004 > (0.00%) <not counted> branch-misses > (0.00%) <not counted> > cache-misses > (0.00%) 48414917 dTLB-load-misses > (9.87%) 2427413 > dTLB-store-misses > (19.43%) 46958092 iTLB-load-misses > (28.58%) 69245163600 > cycles > (37.09%) 70334279943 instructions # > 1.02 insn per cycle (45.24%) > > 20.895871900 seconds time elapsed > > 2.724942000 seconds user > 18.126277000 seconds sys > > perf top/record also works. > > Tested-by: Nikita Shubin <n.shubin@xxxxxxxxx> > Thanks for the testing. > Yours, > Nikita Shubin > > > > _______________________________________________ > linux-riscv mailing list > linux-riscv@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/linux-riscv -- Regards, Atish
