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sof-process-state: print errors on stderr #522

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Merged
xiulipan merged 1 commit into from
Dec 1, 2020
Merged

sof-process-state: print errors on stderr #522

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15 changes: 13 additions & 2 deletions tools/sof-process-state.sh
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Original file line number Diff line number Diff line change
@@ -1,6 +1,17 @@
#!/bin/bash

[[ $# -ne 1 ]] && echo "This script needs parameter: pid/process-name to dump its state" && builtin exit 2
# This script uses ps to inspect the state of either:
#
# - a single process specified by its PID number, or
# - all running instances of a given command like "aplay" or "arecord"
#
# Exit status
# 0 if at least one process was found and they're _all_ OK
# 1 if at least one process was found at least one of them is abnormal
# 2 if no process match, or
# wrong number of arguments given

[[ $# -ne 1 ]] && >&2 echo "This script needs parameter: pid/process-name to dump its state" && builtin exit 2

# catch from man ps: PROCESS STATE CODES
declare -A PS_STATUS
Expand All @@ -19,7 +30,7 @@ process=$1
exit_code=1
# process does not exist
[[ ! "$(ps $opt $process -o state --no-header)" ]] && \
builtin echo "process: $process status: process run finished/not run" && builtin exit 2
>&2 builtin echo "process: $process, status: not found" && builtin exit 2

abnormal_status=0
# process status detect
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