From 9dd95f708fd485661e728ec26f02018fe5f94cf2 Mon Sep 17 00:00:00 2001
From: Pierre Tardy <pierre.tardy@intel.com>
Date: Mon, 3 Jan 2011 19:24:42 +0100
Subject: timer: new plugin that displays timers

Signed-off-by: Pierre Tardy <pierre.tardy@intel.com>
---
 timechart/plugins/timers.py | 69 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 timechart/plugins/timers.py

diff --git a/timechart/plugins/timers.py b/timechart/plugins/timers.py
new file mode 100644
index 0000000..68fb3cf
--- /dev/null
+++ b/timechart/plugins/timers.py
@@ -0,0 +1,69 @@
+from timechart.plugin import *
+from timechart import colors
+from timechart.model import tcProcess
+
+class timer(plugin):
+    additional_colors = """
+timer_bg		#e5bebe
+timer	      		#ee0000
+"""
+    additional_ftrace_parsers = [
+        ("timer_expire_entry","timer=%s function=%s now=%d","timer","function","now"),
+        ("timer_expire_exit","timer=%s","timer"),
+        ("hrtimer_expire_entry","timer=%s function=%s now=%d","timer","function","now"),
+        ("hrtimer_expire_exit","timer=%s","timer"),
+        ("hrtimer_cancel","timer=%s","timer"),
+        ("hrtimer_start","hrtimer=%s function=%s expires=%d softexpires=%d","timer","function","expire","timeout"),
+        ("itimer_expire","which=%d pid=%d now=%d","which","pid","now"),
+        ("smp_apic_timer_interrupt","%s %s","state","func"),
+        ]
+    additional_process_types = {
+            "timer":(tcProcess, IRQ_CLASS),
+        }
+    timers_dict = {}
+    jitter = 0
+    @staticmethod
+    def do_event_timer_expire_entry(proj,event):
+        process = proj.generic_find_process(0,"timer[%d]:%s"%(event.common_cpu,event.function),"timer")
+        timer.timers_dict[event.timer] = process
+        proj.generic_process_start(process,event,False)
+        if event.event.startswith("hr"):
+            event.now = event.now/1000
+            timer.jitter =  event.now - event.timestamp
+    @staticmethod
+    def do_event_timer_expire_exit(proj,event):
+        process = timer.timers_dict[event.timer]
+        proj.generic_process_end(process,event,False)
+    do_event_hrtimer_expire_entry = do_event_timer_expire_entry
+    do_event_hrtimer_expire_exit = do_event_timer_expire_exit
+    @staticmethod
+    def do_event_hrtimer_cancel(proj,event):
+        if timer.timers_dict.has_key(event.timer):
+            process = timer.timers_dict[event.timer]
+            process = proj.generic_find_process(0,"%s:cancel"%(process["comm"]),"timer")
+            proj.generic_process_start(process,event,False)
+            proj.generic_process_end(process,event,False)
+    @staticmethod
+    def do_event_hrtimer_start(proj,event):
+        if timer.timers_dict.has_key(event.timer):
+            process = timer.timers_dict[event.timer]
+            process = proj.generic_find_process(0,"%s:start"%(process["comm"]),"timer")
+            proj.generic_process_start(process,event,False)
+            proj.generic_process_end(process,event,False)
+
+    @staticmethod
+    def do_event_itimer_expire(proj,event):
+        process = proj.generic_find_process(0,"itimer:%d %d"%(event.which,event.pid),"timer")
+        proj.generic_process_start(process,event,False)
+        proj.generic_process_end(process,event,False)
+
+    @staticmethod
+    def do_event_smp_apic_timer_interrupt(proj,event):
+        if not event.__dict__.has_key("func"):
+            return
+        process = proj.generic_find_process(0,"apictimer[%d]:%s"%(event.common_cpu,event.func),"timer")
+        if event.state == "start":
+            proj.generic_process_start(process,event,False)
+        else:
+            proj.generic_process_end(process,event,False)
+plugin_register(timer)
-- 
cgit v1.2.3