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| author | Maxime Ripard <maxime@cerno.tech> | 2020-12-07 13:50:50 +0300 |
|---|---|---|
| committer | Stephen Boyd <sboyd@kernel.org> | 2020-12-17 12:54:31 +0300 |
| commit | 03813d9b7d4368d4a8c9bb8f5a2a1e23dac8f1b5 (patch) | |
| tree | 59d75632a1baa482cedaeddb2403de521ef3d78a | |
| parent | 3650b228f83adda7e5ee532e2b90429c03f7b9ec (diff) | |
| download | linux-03813d9b7d4368d4a8c9bb8f5a2a1e23dac8f1b5.tar.xz | |
clk: Trace clk_set_rate() "range" functions
The clk_set_rate "range" functions don't have any tracepoints even
though it might be useful. Add some.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20201207105050.2096917-1-maxime@cerno.tech
[sboyd@kernel.org: Reword commit text]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
| -rw-r--r-- | drivers/clk/clk.c | 6 | ||||
| -rw-r--r-- | include/trace/events/clk.h | 44 |
2 files changed, 50 insertions, 0 deletions
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index f83dac54ed85..b98415d280c8 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -2314,6 +2314,8 @@ int clk_set_rate_range(struct clk *clk, unsigned long min, unsigned long max) if (!clk) return 0; + trace_clk_set_rate_range(clk->core, min, max); + if (min > max) { pr_err("%s: clk %s dev %s con %s: invalid range [%lu, %lu]\n", __func__, clk->core->name, clk->dev_id, clk->con_id, @@ -2381,6 +2383,8 @@ int clk_set_min_rate(struct clk *clk, unsigned long rate) if (!clk) return 0; + trace_clk_set_min_rate(clk->core, rate); + return clk_set_rate_range(clk, rate, clk->max_rate); } EXPORT_SYMBOL_GPL(clk_set_min_rate); @@ -2397,6 +2401,8 @@ int clk_set_max_rate(struct clk *clk, unsigned long rate) if (!clk) return 0; + trace_clk_set_max_rate(clk->core, rate); + return clk_set_rate_range(clk, clk->min_rate, rate); } EXPORT_SYMBOL_GPL(clk_set_max_rate); diff --git a/include/trace/events/clk.h b/include/trace/events/clk.h index cb1aea25c199..e19edc63ee95 100644 --- a/include/trace/events/clk.h +++ b/include/trace/events/clk.h @@ -118,6 +118,50 @@ DEFINE_EVENT(clk_rate, clk_set_rate_complete, TP_ARGS(core, rate) ); +DEFINE_EVENT(clk_rate, clk_set_min_rate, + + TP_PROTO(struct clk_core *core, unsigned long rate), + + TP_ARGS(core, rate) +); + +DEFINE_EVENT(clk_rate, clk_set_max_rate, + + TP_PROTO(struct clk_core *core, unsigned long rate), + + TP_ARGS(core, rate) +); + +DECLARE_EVENT_CLASS(clk_rate_range, + + TP_PROTO(struct clk_core *core, unsigned long min, unsigned long max), + + TP_ARGS(core, min, max), + + TP_STRUCT__entry( + __string( name, core->name ) + __field(unsigned long, min ) + __field(unsigned long, max ) + ), + + TP_fast_assign( + __assign_str(name, core->name); + __entry->min = min; + __entry->max = max; + ), + + TP_printk("%s min %lu max %lu", __get_str(name), + (unsigned long)__entry->min, + (unsigned long)__entry->max) +); + +DEFINE_EVENT(clk_rate_range, clk_set_rate_range, + + TP_PROTO(struct clk_core *core, unsigned long min, unsigned long max), + + TP_ARGS(core, min, max) +); + DECLARE_EVENT_CLASS(clk_parent, TP_PROTO(struct clk_core *core, struct clk_core *parent), |