Update procfs library to include ignored fields ParseInt handling.
Wrap error returns so that the user can know more about what failed.
Returns from getAllocatedThreads() are errors anyway.
Fixes: https://github.com/prometheus/node_exporter/issues/2110
Signed-off-by: Ben Kochie <superq@gmail.com>
Fix the error logging of the promhttp handler by connecting it to the
promlog setup.
* Switch to go-kit/log.
* Cleanup CHANGELOG.
Fixes: https://github.com/prometheus/node_exporter/issues/1886
Signed-off-by: Ben Kochie <superq@gmail.com>
Minor change to match naming convention in other collectors.
Initialize the proc or sys FS instance once while initializing
each collector instead of re-creating for each metric update.
Signed-off-by: Paul Gier <pgier@redhat.com>
PIDs can vanish (exit) from /proc/ between gathering the list of PIDs
and getting all of their stats.
* Ignore file not found errors.
* Explicitly count the PIDs we find.
* Cleanup some error style issues.
Signed-off-by: Ben Kochie <superq@gmail.com>
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