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-rw-r--r--scripts/pybootchartgui/pybootchartgui/samples.py226
1 files changed, 142 insertions, 84 deletions
diff --git a/scripts/pybootchartgui/pybootchartgui/samples.py b/scripts/pybootchartgui/pybootchartgui/samples.py
index c94b30d032..015d743aa0 100644
--- a/scripts/pybootchartgui/pybootchartgui/samples.py
+++ b/scripts/pybootchartgui/pybootchartgui/samples.py
@@ -1,93 +1,151 @@
+# This file is part of pybootchartgui.
+
+# pybootchartgui is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# pybootchartgui is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with pybootchartgui. If not, see <http://www.gnu.org/licenses/>.
+
+
class DiskStatSample:
- def __init__(self, time):
- self.time = time
- self.diskdata = [0, 0, 0]
- def add_diskdata(self, new_diskdata):
- self.diskdata = [ a + b for a, b in zip(self.diskdata, new_diskdata) ]
+ def __init__(self, time):
+ self.time = time
+ self.diskdata = [0, 0, 0]
+ def add_diskdata(self, new_diskdata):
+ self.diskdata = [ a + b for a, b in zip(self.diskdata, new_diskdata) ]
class CPUSample:
- def __init__(self, time, user, sys, io):
- self.time = time
- self.user = user
- self.sys = sys
- self.io = io
-
- def __str__(self):
- return str(self.time) + "\t" + str(self.user) + "\t" + str(self.sys) + "\t" + str(self.io);
-
+ def __init__(self, time, user, sys, io = 0.0, swap = 0.0):
+ self.time = time
+ self.user = user
+ self.sys = sys
+ self.io = io
+ self.swap = swap
+
+ @property
+ def cpu(self):
+ return self.user + self.sys
+
+ def __str__(self):
+ return str(self.time) + "\t" + str(self.user) + "\t" + \
+ str(self.sys) + "\t" + str(self.io) + "\t" + str (self.swap)
+
+class MemSample:
+ used_values = ('MemTotal', 'MemFree', 'Buffers', 'Cached', 'SwapTotal', 'SwapFree',)
+
+ def __init__(self, time):
+ self.time = time
+ self.records = {}
+
+ def add_value(self, name, value):
+ if name in MemSample.used_values:
+ self.records[name] = value
+
+ def valid(self):
+ keys = self.records.keys()
+ # discard incomplete samples
+ return [v for v in MemSample.used_values if v not in keys] == []
+
class ProcessSample:
- def __init__(self, time, state, cpu_sample):
- self.time = time
- self.state = state
- self.cpu_sample = cpu_sample
-
- def __str__(self):
- return str(self.time) + "\t" + str(self.state) + "\t" + str(self.cpu_sample);
+ def __init__(self, time, state, cpu_sample):
+ self.time = time
+ self.state = state
+ self.cpu_sample = cpu_sample
+
+ def __str__(self):
+ return str(self.time) + "\t" + str(self.state) + "\t" + str(self.cpu_sample)
class ProcessStats:
- def __init__(self, process_list, sample_period, start_time, end_time):
- self.process_list = process_list
- self.sample_period = sample_period
- self.start_time = start_time
- self.end_time = end_time
-
-class Process:
- def __init__(self, pid, cmd, ppid, start_time):
- self.pid = pid
- self.cmd = cmd.strip('(').strip(')')
- self.ppid = ppid
- self.start_time = start_time
- self.samples = []
- self.parent = None
- self.child_list = []
-
- self.duration = 0
- self.active = None
-
- self.last_user_cpu_time = None
- self.last_sys_cpu_time = None
-
- def __str__(self):
- return " ".join([str(self.pid), self.cmd, str(self.ppid), '[ ' + str(len(self.samples)) + ' samples ]' ])
-
- def calc_stats(self, samplePeriod):
- if self.samples:
- firstSample = self.samples[0]
- lastSample = self.samples[-1]
- self.start_time = min(firstSample.time, self.start_time)
- self.duration = lastSample.time - self.start_time + samplePeriod
-
- activeCount = sum( [1 for sample in self.samples if sample.cpu_sample and sample.cpu_sample.sys + sample.cpu_sample.user + sample.cpu_sample.io > 0.0] )
- activeCount = activeCount + sum( [1 for sample in self.samples if sample.state == 'D'] )
- self.active = (activeCount>2)
-
- def calc_load(self, userCpu, sysCpu, interval):
-
- userCpuLoad = float(userCpu - self.last_user_cpu_time) / interval
- sysCpuLoad = float(sysCpu - self.last_sys_cpu_time) / interval
- cpuLoad = userCpuLoad + sysCpuLoad
- # normalize
- if cpuLoad > 1.0:
- userCpuLoad = userCpuLoad / cpuLoad;
- sysCpuLoad = sysCpuLoad / cpuLoad;
- return (userCpuLoad, sysCpuLoad)
-
- def set_parent(self, processMap):
- if self.ppid != None:
- self.parent = processMap.get(self.ppid)
- if self.parent == None and self.pid > 1:
- print "warning: no parent for pid '%i' with ppid '%i'" % (self.pid,self.ppid)
- def get_end_time(self):
- return self.start_time + self.duration
+ def __init__(self, writer, process_map, sample_count, sample_period, start_time, end_time):
+ self.process_map = process_map
+ self.sample_count = sample_count
+ self.sample_period = sample_period
+ self.start_time = start_time
+ self.end_time = end_time
+ writer.info ("%d samples, avg. sample length %f" % (self.sample_count, self.sample_period))
+ writer.info ("process list size: %d" % len (self.process_map.values()))
-class DiskSample:
- def __init__(self, time, read, write, util):
- self.time = time
- self.read = read
- self.write = write
- self.util = util
- self.tput = read + write
+class Process:
+ def __init__(self, writer, pid, cmd, ppid, start_time):
+ self.writer = writer
+ self.pid = pid
+ self.cmd = cmd
+ self.exe = cmd
+ self.args = []
+ self.ppid = ppid
+ self.start_time = start_time
+ self.duration = 0
+ self.samples = []
+ self.parent = None
+ self.child_list = []
+
+ self.active = None
+ self.last_user_cpu_time = None
+ self.last_sys_cpu_time = None
+
+ self.last_cpu_ns = 0
+ self.last_blkio_delay_ns = 0
+ self.last_swapin_delay_ns = 0
+
+ # split this process' run - triggered by a name change
+ def split(self, writer, pid, cmd, ppid, start_time):
+ split = Process (writer, pid, cmd, ppid, start_time)
+
+ split.last_cpu_ns = self.last_cpu_ns
+ split.last_blkio_delay_ns = self.last_blkio_delay_ns
+ split.last_swapin_delay_ns = self.last_swapin_delay_ns
+
+ return split
+
+ def __str__(self):
+ return " ".join([str(self.pid), self.cmd, str(self.ppid), '[ ' + str(len(self.samples)) + ' samples ]' ])
- def __str__(self):
- return "\t".join([str(self.time), str(self.read), str(self.write), str(self.util)])
+ def calc_stats(self, samplePeriod):
+ if self.samples:
+ firstSample = self.samples[0]
+ lastSample = self.samples[-1]
+ self.start_time = min(firstSample.time, self.start_time)
+ self.duration = lastSample.time - self.start_time + samplePeriod
+
+ activeCount = sum( [1 for sample in self.samples if sample.cpu_sample and sample.cpu_sample.sys + sample.cpu_sample.user + sample.cpu_sample.io > 0.0] )
+ activeCount = activeCount + sum( [1 for sample in self.samples if sample.state == 'D'] )
+ self.active = (activeCount>2)
+
+ def calc_load(self, userCpu, sysCpu, interval):
+ userCpuLoad = float(userCpu - self.last_user_cpu_time) / interval
+ sysCpuLoad = float(sysCpu - self.last_sys_cpu_time) / interval
+ cpuLoad = userCpuLoad + sysCpuLoad
+ # normalize
+ if cpuLoad > 1.0:
+ userCpuLoad = userCpuLoad / cpuLoad
+ sysCpuLoad = sysCpuLoad / cpuLoad
+ return (userCpuLoad, sysCpuLoad)
+
+ def set_parent(self, processMap):
+ if self.ppid != None:
+ self.parent = processMap.get (self.ppid)
+ if self.parent == None and self.pid // 1000 > 1 and \
+ not (self.ppid == 2000 or self.pid == 2000): # kernel threads: ppid=2
+ self.writer.warn("Missing CONFIG_PROC_EVENTS: no parent for pid '%i' ('%s') with ppid '%i'" \
+ % (self.pid,self.cmd,self.ppid))
+
+ def get_end_time(self):
+ return self.start_time + self.duration
+
+class DiskSample:
+ def __init__(self, time, read, write, util):
+ self.time = time
+ self.read = read
+ self.write = write
+ self.util = util
+ self.tput = read + write
+ def __str__(self):
+ return "\t".join([str(self.time), str(self.read), str(self.write), str(self.util)])