kernel/linux.git/tools/power/pm-graph, branch v7.2-rc1

PM: tools: pm-graph: fix ValueError when parsing incomplete device properties

2026-04-30T18:33:23+00:00

When parsing device properties from ftrace data, the devprops() function assumes that each line has at least three fields and that the third field (f[2]) always contains a valid integer. However, due to incomplete or corrupted ftrace logs, f[2] may be missing, empty, or non-existent. This can lead to the following error: Traceback (most recent call last): File "../sleepgraph.py", line 7142, in stamp = rerunTest(sysvals.outdir) File "../sleepgraph.py", line 6255, in rerunTest testruns, stamp = processData() File "../sleepgraph.py", line 6181, in processData testruns, error = parseTraceLog(live) File "../sleepgraph.py", line 3470, in parseTraceLog tp, tf = loadTraceLog() File "../sleepgraph.py", line 3398, in loadTraceLog if tp.stampInfo(line, sysvals): File "../sleepgraph.py", line 3073, in stampInfo self.parsePlatformInfo(line, sv) File "../sleepgraph.py", line 3177, in parsePlatformInfo sv.devprops = self.devprops(sv.b64unzip(info)) File "../sleepgraph.py", line 3158, in devprops if int(f[2]): ValueError: invalid literal for int() with base 10: '' To prevent this crash, add proper validation before accessing. Signed-off-by: Gongwei Li Acked-by: Todd Brandt [ rjw: Subject tweak ] Link: https://patch.msgid.link/20260424071208.3610628-1-13875017792@163.com Signed-off-by: Rafael J. Wysocki

PM: sleep: Use two lines for "Restarting..." / "done" messages

2025-04-22T11:58:30+00:00

Other messages are occasionally printed between these two, for example: [203104.106534] Restarting tasks ... [203104.106559] mei_hdcp 0000:00:16.0-b638ab7e-94e2-4ea2-a552-d1c54b627f04: bound 0000:00:02.0 (ops i915_hdcp_ops [i915]) [203104.112354] done. This seems to be a timing issue, seen in two of the eleven hibernation exits in my current `dmesg` output. When printed on its own, the "done" message has the default log level. This makes the output of `dmesg --level=warn` quite misleading. Add enough context for the "done" messages to make sense on their own, and use the same log level for all messages. Change the messages to "..." / "Done .", unlike a449dfbfc089 which uses "..." / " completed.". Front-loading the unique part of the message makes it easier to scan the log, and reduces ambiguity for users who aren't confident in their English comprehension. Reviewed-by: Lucas De Marchi Signed-off-by: Andrew Sayers Link: https://patch.msgid.link/20250411152632.2806038-1-kernel.org@pileofstuff.org Signed-off-by: Rafael J. Wysocki

printk: Rename resume_console to console_resume_all

2025-03-11T10:51:27+00:00

The function resume_console has a misleading name, since it resumes all consoles, so rename it accordingly. Signed-off-by: Marcos Paulo de Souza Reviewed-by: Petr Mladek Reviewed-by: John Ogness Link: https://lore.kernel.org/r/20250226-printk-renaming-v1-2-0b878577f2e6@suse.com [pmladek@suse.com: Fixed typo in the commit message.] Signed-off-by: Petr Mladek

printk: Rename suspend_console to console_suspend_all

2025-03-11T10:49:34+00:00

The function suspend_console has a misleading name, since it suspends all consoles, so rename it accordingly. Signed-off-by: Marcos Paulo de Souza Reviewed-by: Petr Mladek Reviewed-by: John Ogness Link: https://lore.kernel.org/r/20250226-printk-renaming-v1-1-0b878577f2e6@suse.com [pmladek@suse.com: Fixed typo in the commit message.] Signed-off-by: Petr Mladek

pm-graph v5.13

2024-10-15T19:21:54+00:00

- fix link to pm-graph homepage and in comments - add usleep_range() kprobe to -dev mode - add SIGUSR1 and SIGUSR2 to list of captured signals - kill -s USR1 causes sleepgraph to print out stack trace - kill -s USR2 prints stack trace and exits - stack trace is also printed to -result file - add legacy support for /sys/kernel/debug/tracing/ - allow multiple instances of trace funcs in the same phase - update javascript to draw device detail for multiple trace func instances - add -debugtiming option to print out timestamps on all outputs Signed-off-by: Todd Brandt Link: https://patch.msgid.link/20240912055956.30108-1-todd.e.brandt@intel.com Signed-off-by: Rafael J. Wysocki

pm-graph: Update directory handling and installation process in Makefile

2024-09-04T12:34:54+00:00

- Standardize directory variables to support more flexible installations. - Add copyright and licensing information to the Makefile. - Introduce ".PHONY" declarations to ensure that specific targets are always executed, regardless of the presence of files with matching names. - Add a help target to provide usage instructions. Signed-off-by: Amit Vadhavana Acked-by: Todd Brandt Link: https://patch.msgid.link/Update directory handling and installation process in Makefile [ rjw: Changelog edits ] Signed-off-by: Rafael J. Wysocki

pm-graph: Make git ignore sleepgraph.py artifacts

2024-09-04T12:32:09+00:00

By default, sleepgraph.py creates suspend-{date}-{time} directories to store artifacts, or suspend-{date}-{time}-xN if the --multi option is used. Ignore those directories by adding a .gitignore file. Signed-off-by: Yo-Jung (Leo) Lin <0xff07@gmail.com> Acked-by: Todd Brandt Link: https://patch.msgid.link/20240825095353.7578-1-0xff07@gmail.com [ rjw: Subject and changelog edits ] Signed-off-by: Rafael J. Wysocki

pm-graph: v5.12, code revamp for python3.12

2024-06-07T19:28:35+00:00

sleepgraph/bootgraph function correctly in python3.12 but include a slew of deprecation warnings for unsupported regexes. This patch fixes up all the strings in the code so that it comforms with python3.12 standards. Signed-off-by: Todd Brandt Signed-off-by: Rafael J. Wysocki

pm-graph: v5.12, fixes

2024-06-07T19:28:35+00:00

- fix S3 suspend fail double run by using fp.flush to /sys/power/state - when running turbostat print the return value - handle case where html files have binary data - max issues in summary-issues is now 100 (in case there are thousands) - add backup to dmidecode, use /sys/class/dmi/id/ in case /dev/mem fails - update summary page to use full mode (disk-platform instead of disk) Signed-off-by: Todd Brandt Signed-off-by: Rafael J. Wysocki

PM: tools: Fix sleepgraph syntax error

2023-11-20T16:59:58+00:00

The sleepgraph tool currently fails: File "/usr/bin/sleepgraph", line 4155 or re.match('psci: CPU(?P[0-9]*) killed.*', msg)): ^ SyntaxError: unmatched ')' Fixes: 34ea427e01ea ("PM: tools: sleepgraph: Recognize "CPU killed" messages") Signed-off-by: David Woodhouse Reviewed-by: Wolfram Sang Signed-off-by: Rafael J. Wysocki