trace: cpufreq: Add tracing for min/max cpufreq
Change-Id: I73f6ec437c1f805437d9376abb6510d1364b07ec Signed-off-by: Ruchi Kandoi <kandoiruchi@google.com> Conflicts: drivers/cpufreq/cpufreq.c include/trace/events/power.h
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@ -25,6 +25,7 @@ cpufreq.
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cpu_idle "state=%lu cpu_id=%lu"
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cpu_idle "state=%lu cpu_id=%lu"
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cpu_frequency "state=%lu cpu_id=%lu"
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cpu_frequency "state=%lu cpu_id=%lu"
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cpu_frequency_limits "min=%lu max=%lu cpu_id=%lu"
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A suspend event is used to indicate the system going in and out of the
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A suspend event is used to indicate the system going in and out of the
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suspend mode:
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suspend mode:
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@ -2024,6 +2024,7 @@ static int cpufreq_set_policy(struct cpufreq_policy *policy,
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policy->min = new_policy->min;
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policy->min = new_policy->min;
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policy->max = new_policy->max;
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policy->max = new_policy->max;
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trace_cpu_frequency_limits(policy->max, policy->min, policy->cpu);
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pr_debug("new min and max freqs are %u - %u kHz\n",
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pr_debug("new min and max freqs are %u - %u kHz\n",
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policy->min, policy->max);
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policy->min, policy->max);
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@ -58,7 +58,7 @@ TRACE_EVENT(cpu_frequency_switch_start,
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TP_STRUCT__entry(
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TP_STRUCT__entry(
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__field( u32, start_freq )
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__field( u32, start_freq )
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__field( u32, end_freq )
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__field( u32, end_freq )
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__field( u32, cpu_id )
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__field( u32, cpu_id )
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),
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),
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TP_fast_assign(
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TP_fast_assign(
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@ -73,6 +73,31 @@ TRACE_EVENT(cpu_frequency_switch_start,
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(unsigned long)__entry->cpu_id)
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(unsigned long)__entry->cpu_id)
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);
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);
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TRACE_EVENT(cpu_frequency_limits,
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TP_PROTO(unsigned int max_freq, unsigned int min_freq,
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unsigned int cpu_id),
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TP_ARGS(max_freq, min_freq, cpu_id),
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TP_STRUCT__entry(
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__field( u32, min_freq )
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__field( u32, max_freq )
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__field( u32, cpu_id )
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),
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TP_fast_assign(
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__entry->min_freq = min_freq;
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__entry->max_freq = min_freq;
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__entry->cpu_id = cpu_id;
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),
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TP_printk("min=%lu max=%lu cpu_id=%lu",
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(unsigned long)__entry->min_freq,
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(unsigned long)__entry->max_freq,
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(unsigned long)__entry->cpu_id)
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);
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TRACE_EVENT(cpu_frequency_switch_end,
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TRACE_EVENT(cpu_frequency_switch_end,
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TP_PROTO(unsigned int cpu_id),
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TP_PROTO(unsigned int cpu_id),
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