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from timechart.plugin import *
from timechart import colors
from timechart.model import tcProcess
class menu_select(plugin):
additional_colors = """
menu_select_bg #e5bebe
menu_select #ee0000
"""
additional_ftrace_parsers = [
( 'menu_select', 'expected:%d predicted %d state:%s %d','expected','predicted','next_state','num_state'),
]
additional_process_types = {
"menu_select":(tcProcess, POWER_CLASS),
}
@staticmethod
def do_event_menu_select(proj,event):
try:
a= event.predicted
except AttributeError:
return
found = 0
i = 0
while not found:
p = proj.generic_find_process(0,"menu_select_cpu%d_%d_predicted"%(event.common_cpu,i),"menu_select")
p2 = proj.generic_find_process(0,"menu_select_cpu%d_%d_expected"%(event.common_cpu,i),"menu_select")
if len(p['end_ts'])>0 and len(p2['end_ts'])>0 and (p['end_ts'][-1]>event.timestamp or p2['end_ts'][-1]>event.timestamp):
i+=1
continue
found = 1
p['start_ts'].append(int(event.timestamp))
p['end_ts'].append(int(event.timestamp+event.predicted))
p['types'].append(colors.get_color_id("menu_select"))
p['cpus'].append(event.common_cpu)
p = p2
p['start_ts'].append(int(event.timestamp))
p['end_ts'].append(int(event.timestamp+event.expected))
p['types'].append(colors.get_color_id("menu_select"))
p['cpus'].append(event.common_cpu)
plugin_register(menu_select)
menu_select_patch="""
diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c
index 1b12870..4b18893 100644
--- a/drivers/cpuidle/governors/menu.c
+++ b/drivers/cpuidle/governors/menu.c
@@ -292,6 +292,7 @@ static int menu_select(struct cpuidle_device *dev)
data->exit_us = s->exit_latency;
data->last_state_idx = i;
}
+ trace_printk("expected:%u predicted %llu state:%s %d\n",data->expected_us, data->predicted_us, dev->states[data->last_state_idx].name, dev->state_count);
return data->last_state_idx;
}
"""
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