On Fri, Jun 16, 2023 at 02:32:09PM +0800, Eric Lin wrote: > From: Greentime Hu <greentime.hu@xxxxxxxxxx> > > This adds SiFive private L2 cache PMU driver. User > can use perf tool to profile by event name and event id. > > Example: > $ perf stat -C 0 -e /sifive_pl2_pmu/inner_acquire_block_btot/ > -e /sifive_pl2_pmu/inner_acquire_block_ntob/ > -e /sifive_pl2_pmu/inner_acquire_block_ntot/ ls > > Performance counter stats for 'CPU(s) 0': > > 300 sifive_pl2_pmu/inner_acquire_block_btot/ > 17801 sifive_pl2_pmu/inner_acquire_block_ntob/ > 5253 sifive_pl2_pmu/inner_acquire_block_ntot/ > > 0.088917326 seconds time elapsed > > $ perf stat -C 0 -e /sifive_pl2_pmu/event=0x10001/ > -e /sifive_pl2_pmu/event=0x4001/ > -e /sifive_pl2_pmu/event=0x8001/ ls > > Performance counter stats for 'CPU(s) 0': > > 251 sifive_pl2_pmu/event=0x10001/ > 2620 sifive_pl2_pmu/event=0x4001/ > 644 sifive_pl2_pmu/event=0x8001/ > > 0.092827110 seconds time elapsed > > Signed-off-by: Greentime Hu <greentime.hu@xxxxxxxxxx> > Signed-off-by: Eric Lin <eric.lin@xxxxxxxxxx> > Reviewed-by: Zong Li <zong.li@xxxxxxxxxx> > Reviewed-by: Nick Hu <nick.hu@xxxxxxxxxx> > --- > drivers/soc/sifive/Kconfig | 9 + > drivers/soc/sifive/Makefile | 1 + > drivers/soc/sifive/sifive_pl2.h | 20 + > drivers/soc/sifive/sifive_pl2_cache.c | 16 + > drivers/soc/sifive/sifive_pl2_pmu.c | 669 ++++++++++++++++++++++++++ Perf drivers should be in drivers/perf, no? Cheers, Conor.
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