* Avoid memory leak by using value rather than reference. (#3277)
Signed-off-by: Rolf Klemenz <tickez@madnet.ch>
* pressure: Fix missing IRQ on older kernels (#3263)
Fix "no data" error on kernels that support some PSI status, but don't
yet have IRQ presure metrics. Only report "no data" error if `pressure`
is enabled and no PSI metrics were found.
Fixes: https://github.com/prometheus/node_exporter/issues/3259
Signed-off-by: Ben Kochie <superq@gmail.com>
* Release v1.9.1
* [BUGFIX] pressure: Fix missing IRQ on older kernels #3263
* [BUGFIX] Fix Darwin memory leak #3277
Signed-off-by: Ben Kochie <superq@gmail.com>
---------
Signed-off-by: Rolf Klemenz <tickez@madnet.ch>
Signed-off-by: Ben Kochie <superq@gmail.com>
Co-authored-by: Rolf Klemenz <tickez@madnet.ch>
Check that the PSI metrics are returned in order to avoid nil pointer
dereference.
* Update fixutre to match real-world samples.
Fixes: https://github.com/prometheus/node_exporter/issues/3015
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>
When CONFIG_PSI_DEFAULT_DISABLED=y, the pressure system returns
"operation not supported", rather than permission denied or not
exposing the /proc/pressure files.
Fixes: https://github.com/prometheus/node_exporter/issues/1961
Signed-off-by: Ben Kochie <superq@gmail.com>
This enables the collection of pressure stall information as exposed
by the `/proc/pressure` interface added in the 4.20 release of the
Linux kernel.
Closes#1174
Signed-off-by: Daniele Sluijters <daenney@users.noreply.github.com>
