diff options
Diffstat (limited to 'kernel/trace/trace_sched_wakeup.c')
-rw-r--r-- | kernel/trace/trace_sched_wakeup.c | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/kernel/trace/trace_sched_wakeup.c b/kernel/trace/trace_sched_wakeup.c index cf43bdb1763a..6e1529bc6172 100644 --- a/kernel/trace/trace_sched_wakeup.c +++ b/kernel/trace/trace_sched_wakeup.c | |||
@@ -110,7 +110,6 @@ static void notrace | |||
110 | probe_wakeup_sched_switch(struct rq *rq, struct task_struct *prev, | 110 | probe_wakeup_sched_switch(struct rq *rq, struct task_struct *prev, |
111 | struct task_struct *next) | 111 | struct task_struct *next) |
112 | { | 112 | { |
113 | unsigned long latency = 0, t0 = 0, t1 = 0; | ||
114 | struct trace_array_cpu *data; | 113 | struct trace_array_cpu *data; |
115 | cycle_t T0, T1, delta; | 114 | cycle_t T0, T1, delta; |
116 | unsigned long flags; | 115 | unsigned long flags; |
@@ -156,10 +155,6 @@ probe_wakeup_sched_switch(struct rq *rq, struct task_struct *prev, | |||
156 | trace_function(wakeup_trace, CALLER_ADDR0, CALLER_ADDR1, flags, pc); | 155 | trace_function(wakeup_trace, CALLER_ADDR0, CALLER_ADDR1, flags, pc); |
157 | tracing_sched_switch_trace(wakeup_trace, prev, next, flags, pc); | 156 | tracing_sched_switch_trace(wakeup_trace, prev, next, flags, pc); |
158 | 157 | ||
159 | /* | ||
160 | * usecs conversion is slow so we try to delay the conversion | ||
161 | * as long as possible: | ||
162 | */ | ||
163 | T0 = data->preempt_timestamp; | 158 | T0 = data->preempt_timestamp; |
164 | T1 = ftrace_now(cpu); | 159 | T1 = ftrace_now(cpu); |
165 | delta = T1-T0; | 160 | delta = T1-T0; |
@@ -167,12 +162,7 @@ probe_wakeup_sched_switch(struct rq *rq, struct task_struct *prev, | |||
167 | if (!report_latency(delta)) | 162 | if (!report_latency(delta)) |
168 | goto out_unlock; | 163 | goto out_unlock; |
169 | 164 | ||
170 | latency = nsecs_to_usecs(delta); | ||
171 | |||
172 | tracing_max_latency = delta; | 165 | tracing_max_latency = delta; |
173 | t0 = nsecs_to_usecs(T0); | ||
174 | t1 = nsecs_to_usecs(T1); | ||
175 | |||
176 | update_max_tr(wakeup_trace, wakeup_task, wakeup_cpu); | 166 | update_max_tr(wakeup_trace, wakeup_task, wakeup_cpu); |
177 | 167 | ||
178 | out_unlock: | 168 | out_unlock: |