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| author | Cristian Marussi <cristian.marussi@arm.com> | 2022-07-04 13:22:40 +0300 |
|---|---|---|
| committer | Sudeep Holla <sudeep.holla@arm.com> | 2022-07-04 16:28:43 +0300 |
| commit | b27d04d5a51c28322cadb18d8d2ff5d0fb892fff (patch) | |
| tree | f01d3d39011cf973314a157bf88b0ab86c40b1fb /drivers/firmware/arm_scmi/perf.c | |
| parent | e699eb9b4f1b98be08197d699e5c34a8b576b26f (diff) | |
| download | linux-b27d04d5a51c28322cadb18d8d2ff5d0fb892fff.tar.xz | |
firmware: arm_scmi: Use fast channel tracing
Make use of SCMI fast channel event tracing.
Link: https://lore.kernel.org/r/20220704102241.2988447-7-cristian.marussi@arm.com
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Diffstat (limited to 'drivers/firmware/arm_scmi/perf.c')
| -rw-r--r-- | drivers/firmware/arm_scmi/perf.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/firmware/arm_scmi/perf.c b/drivers/firmware/arm_scmi/perf.c index 521458fda355..64ea2d2f2875 100644 --- a/drivers/firmware/arm_scmi/perf.c +++ b/drivers/firmware/arm_scmi/perf.c @@ -16,6 +16,8 @@ #include <linux/scmi_protocol.h> #include <linux/sort.h> +#include <trace/events/scmi.h> + #include "protocols.h" #include "notify.h" @@ -363,6 +365,8 @@ static int scmi_perf_limits_set(const struct scmi_protocol_handle *ph, if (dom->fc_info && dom->fc_info[PERF_FC_LIMIT].set_addr) { struct scmi_fc_info *fci = &dom->fc_info[PERF_FC_LIMIT]; + trace_scmi_fc_call(SCMI_PROTOCOL_PERF, PERF_LIMITS_SET, + domain, min_perf, max_perf); iowrite32(max_perf, fci->set_addr); iowrite32(min_perf, fci->set_addr + 4); ph->hops->fastchannel_db_ring(fci->set_db); @@ -409,6 +413,8 @@ static int scmi_perf_limits_get(const struct scmi_protocol_handle *ph, *max_perf = ioread32(fci->get_addr); *min_perf = ioread32(fci->get_addr + 4); + trace_scmi_fc_call(SCMI_PROTOCOL_PERF, PERF_LIMITS_GET, + domain, *min_perf, *max_perf); return 0; } @@ -446,6 +452,8 @@ static int scmi_perf_level_set(const struct scmi_protocol_handle *ph, if (dom->fc_info && dom->fc_info[PERF_FC_LEVEL].set_addr) { struct scmi_fc_info *fci = &dom->fc_info[PERF_FC_LEVEL]; + trace_scmi_fc_call(SCMI_PROTOCOL_PERF, PERF_LEVEL_SET, + domain, level, 0); iowrite32(level, fci->set_addr); ph->hops->fastchannel_db_ring(fci->set_db); return 0; @@ -484,6 +492,8 @@ static int scmi_perf_level_get(const struct scmi_protocol_handle *ph, if (dom->fc_info && dom->fc_info[PERF_FC_LEVEL].get_addr) { *level = ioread32(dom->fc_info[PERF_FC_LEVEL].get_addr); + trace_scmi_fc_call(SCMI_PROTOCOL_PERF, PERF_LEVEL_GET, + domain, *level, 0); return 0; } |