From 48cb6f80ee45dac1572d929eb30b2a4374097c85 Mon Sep 17 00:00:00 2001
From: Douglas Raillard <douglas.raillard@arm.com>
Date: Tue, 31 May 2022 17:54:49 +0100
Subject: [PATCH] lisa.trace: Fix parsing of sched_pelt_se/sched_util_est_se

FIX

Parse the "pid" field as a int32 instead of uint32, as -1 is used when
the described entity is not a task.
---
 lisa/trace.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lisa/trace.py b/lisa/trace.py
index 8815afc15..3b5c376ad 100644
--- a/lisa/trace.py
+++ b/lisa/trace.py
@@ -687,6 +687,7 @@ class TxtTraceParserBase(TraceParserBase):
         'pointer': 'uint64',
         'cpu': 'uint16',
         'pid': 'uint32',
+        'signed_pid': 'int32',
         'comm': 'string',
         'cgroup_path': 'string',
         # prio in [-1, 140]
@@ -1439,7 +1440,7 @@ class TxtTraceParser(TxtTraceParserBase):
                 'cpu': _KERNEL_DTYPE['cpu'],
                 'load': _KERNEL_DTYPE['util'],
                 'path': _KERNEL_DTYPE['cgroup_path'],
-                'pid': _KERNEL_DTYPE['pid'],
+                'pid': _KERNEL_DTYPE['signed_pid'],
                 'rbl_load': _KERNEL_DTYPE['util'],
                 'util': _KERNEL_DTYPE['util'],
                 'update_time': _KERNEL_DTYPE['timestamp'],
@@ -1504,7 +1505,7 @@ class TxtTraceParser(TxtTraceParserBase):
             fields={
                 'cpu': _KERNEL_DTYPE['cpu'],
                 'comm': _KERNEL_DTYPE['comm'],
-                'pid': _KERNEL_DTYPE['pid'],
+                'pid': _KERNEL_DTYPE['signed_pid'],
                 'path': _KERNEL_DTYPE['cgroup_path'],
                 'enqueued': _KERNEL_DTYPE['util'],
                 'ewma': _KERNEL_DTYPE['util'],
-- 
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