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Date: Tue, 15 Oct 2019 05:31:50 -0000
From: "tip-bot2 for Adrian Hunter" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Adrian Hunter <adrian.hunter@...el.com>,
Jiri Olsa <jolsa@...hat.com>,
Arnaldo Carvalho de Melo <acme@...hat.com>,
Ingo Molnar <mingo@...nel.org>, Borislav Petkov <bp@...en8.de>,
linux-kernel@...r.kernel.org
Subject: [tip: perf/core] perf scripts python: exported-sql-viewer.py: Add
global time range calculations
The following commit has been merged into the perf/core branch of tip:
Commit-ID: 9a9dae36556e8f7689f68f05d169ac6c132c5f15
Gitweb: https://git.kernel.org/tip/9a9dae36556e8f7689f68f05d169ac6c132c5f15
Author: Adrian Hunter <adrian.hunter@...el.com>
AuthorDate: Wed, 21 Aug 2019 11:32:13 +03:00
Committer: Arnaldo Carvalho de Melo <acme@...hat.com>
CommitterDate: Mon, 07 Oct 2019 12:22:17 -03:00
perf scripts python: exported-sql-viewer.py: Add global time range calculations
Add calculations to determine a time range that encompasses all data.
Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Link: http://lore.kernel.org/lkml/20190821083216.1340-4-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
tools/perf/scripts/python/exported-sql-viewer.py | 113 +++++++++++++-
1 file changed, 109 insertions(+), 4 deletions(-)
diff --git a/tools/perf/scripts/python/exported-sql-viewer.py b/tools/perf/scripts/python/exported-sql-viewer.py
index 9767a5f..0dcc9a0 100755
--- a/tools/perf/scripts/python/exported-sql-viewer.py
+++ b/tools/perf/scripts/python/exported-sql-viewer.py
@@ -2088,10 +2088,8 @@ class SampleTimeRangesDataItem(LineEditDataItem):
QueryExec(query, "SELECT id, time FROM samples ORDER BY id DESC LIMIT 1")
if query.next():
self.last_id = int(query.value(0))
- self.last_time = int(query.value(1))
- QueryExec(query, "SELECT time FROM samples WHERE time != 0 ORDER BY id LIMIT 1")
- if query.next():
- self.first_time = int(query.value(0))
+ self.first_time = int(glb.HostStartTime())
+ self.last_time = int(glb.HostFinishTime())
if placeholder_text:
placeholder_text += ", between " + str(self.first_time) + " and " + str(self.last_time)
@@ -3500,6 +3498,9 @@ class Glb():
self.have_disassembler = True
except:
self.have_disassembler = False
+ self.host_machine_id = 0
+ self.host_start_time = 0
+ self.host_finish_time = 0
def FileFromBuildId(self, build_id):
file_name = self.buildid_dir + build_id[0:2] + "/" + build_id[2:] + "/elf"
@@ -3532,6 +3533,110 @@ class Glb():
except:
pass
+ def GetHostMachineId(self):
+ query = QSqlQuery(self.db)
+ QueryExec(query, "SELECT id FROM machines WHERE pid = -1")
+ if query.next():
+ self.host_machine_id = query.value(0)
+ else:
+ self.host_machine_id = 0
+ return self.host_machine_id
+
+ def HostMachineId(self):
+ if self.host_machine_id:
+ return self.host_machine_id
+ return self.GetHostMachineId()
+
+ def SelectValue(self, sql):
+ query = QSqlQuery(self.db)
+ try:
+ QueryExec(query, sql)
+ except:
+ return None
+ if query.next():
+ return Decimal(query.value(0))
+ return None
+
+ def SwitchesMinTime(self, machine_id):
+ return self.SelectValue("SELECT time"
+ " FROM context_switches"
+ " WHERE time != 0 AND machine_id = " + str(machine_id) +
+ " ORDER BY id LIMIT 1")
+
+ def SwitchesMaxTime(self, machine_id):
+ return self.SelectValue("SELECT time"
+ " FROM context_switches"
+ " WHERE time != 0 AND machine_id = " + str(machine_id) +
+ " ORDER BY id DESC LIMIT 1")
+
+ def SamplesMinTime(self, machine_id):
+ return self.SelectValue("SELECT time"
+ " FROM samples"
+ " WHERE time != 0 AND machine_id = " + str(machine_id) +
+ " ORDER BY id LIMIT 1")
+
+ def SamplesMaxTime(self, machine_id):
+ return self.SelectValue("SELECT time"
+ " FROM samples"
+ " WHERE time != 0 AND machine_id = " + str(machine_id) +
+ " ORDER BY id DESC LIMIT 1")
+
+ def CallsMinTime(self, machine_id):
+ return self.SelectValue("SELECT calls.call_time"
+ " FROM calls"
+ " INNER JOIN threads ON threads.thread_id = calls.thread_id"
+ " WHERE calls.call_time != 0 AND threads.machine_id = " + str(machine_id) +
+ " ORDER BY calls.id LIMIT 1")
+
+ def CallsMaxTime(self, machine_id):
+ return self.SelectValue("SELECT calls.return_time"
+ " FROM calls"
+ " INNER JOIN threads ON threads.thread_id = calls.thread_id"
+ " WHERE calls.return_time != 0 AND threads.machine_id = " + str(machine_id) +
+ " ORDER BY calls.return_time DESC LIMIT 1")
+
+ def GetStartTime(self, machine_id):
+ t0 = self.SwitchesMinTime(machine_id)
+ t1 = self.SamplesMinTime(machine_id)
+ t2 = self.CallsMinTime(machine_id)
+ if t0 is None or (not(t1 is None) and t1 < t0):
+ t0 = t1
+ if t0 is None or (not(t2 is None) and t2 < t0):
+ t0 = t2
+ return t0
+
+ def GetFinishTime(self, machine_id):
+ t0 = self.SwitchesMaxTime(machine_id)
+ t1 = self.SamplesMaxTime(machine_id)
+ t2 = self.CallsMaxTime(machine_id)
+ if t0 is None or (not(t1 is None) and t1 > t0):
+ t0 = t1
+ if t0 is None or (not(t2 is None) and t2 > t0):
+ t0 = t2
+ return t0
+
+ def HostStartTime(self):
+ if self.host_start_time:
+ return self.host_start_time
+ self.host_start_time = self.GetStartTime(self.HostMachineId())
+ return self.host_start_time
+
+ def HostFinishTime(self):
+ if self.host_finish_time:
+ return self.host_finish_time
+ self.host_finish_time = self.GetFinishTime(self.HostMachineId())
+ return self.host_finish_time
+
+ def StartTime(self, machine_id):
+ if machine_id == self.HostMachineId():
+ return self.HostStartTime()
+ return self.GetStartTime(machine_id)
+
+ def FinishTime(self, machine_id):
+ if machine_id == self.HostMachineId():
+ return self.HostFinishTime()
+ return self.GetFinishTime(machine_id)
+
# Database reference
class DBRef():
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