diff options
| author | Atish Patra <atish.patra@wdc.com> | 2021-07-10 09:18:14 -0700 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2021-07-11 10:38:23 +0530 |
| commit | 764a17d852a8cc80050016a6e2ccdcaddd43f68c (patch) | |
| tree | 03db9a920bfd843301af4c7eecac02bb76921eb1 /lib/sbi/sbi_ipi.c | |
| parent | 37f9b0f2f265b2f312d974fb8d100b85b3faf94f (diff) | |
lib: sbi: Implement firmware counters
RISC-V SBI v0.3 specification defines a set of firmware events that can
provide additional information about the current firmware context. All
of the firmware event monitoring are enabled now. The firmware
events must be defined as raw perf event with MSB set as specified in the
specification.
Reviewed-by: Anup Patel <anup.patel@wdc.com>
Signed-off-by: Atish Patra <atish.patra@wdc.com>
Diffstat (limited to 'lib/sbi/sbi_ipi.c')
| -rw-r--r-- | lib/sbi/sbi_ipi.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/sbi/sbi_ipi.c b/lib/sbi/sbi_ipi.c index 75f86d8..1014909 100644 --- a/lib/sbi/sbi_ipi.c +++ b/lib/sbi/sbi_ipi.c @@ -19,6 +19,9 @@ #include <sbi/sbi_init.h> #include <sbi/sbi_ipi.h> #include <sbi/sbi_platform.h> +#include <sbi/sbi_pmu.h> +#include <sbi/sbi_string.h> +#include <sbi/sbi_tlb.h> struct sbi_ipi_data { unsigned long ipi_type; @@ -64,6 +67,8 @@ static int sbi_ipi_send(struct sbi_scratch *scratch, u32 remote_hartid, if (ipi_dev && ipi_dev->ipi_send) ipi_dev->ipi_send(remote_hartid); + sbi_pmu_ctr_incr_fw(SBI_PMU_FW_IPI_SENT); + if (ipi_ops->sync) ipi_ops->sync(scratch); @@ -183,6 +188,7 @@ void sbi_ipi_process(void) sbi_scratch_offset_ptr(scratch, ipi_data_off); u32 hartid = current_hartid(); + sbi_pmu_ctr_incr_fw(SBI_PMU_FW_IPI_RECVD); if (ipi_dev && ipi_dev->ipi_clear) ipi_dev->ipi_clear(hartid); |