Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-10 22:21:40 +00:00
Code Issues Packages Projects Releases Wiki Activity

s390/cpum_cf: Add kernel message exaplanations

Browse Source 
The CPU Measurement facility for counters and counter set
rework adds a few new kernel messages to the system log.
Add an explanation for some of these.

Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Thomas Richter 2019-01-23 13:05:11 +00:00 committed by Martin Schwidefsky
parent fe5908bccc
commit fb3a0b61e0
2 changed files with 81 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
Documentation/kmsg/s390/cpum_cf_common Normal file
View File

@ -0,0 +1,36 @@
/*?
* Text: "CPU[%i] Counter data was lost\n"
* Severity: Error
* Parameter:
* @1: CPU identifier
* Description:
* The kernel could not extract data provided by the Performance Measurement Unit
* (PMU) fast enough, some data is overwritten.
* User action:
* None
*/
/*?
* Text: "CPU[%i] MT counter data was lost\n"
* Severity: Warning
* Parameter:
* @1: CPU identifier
* Description:
* The kernel could not extract data provided by the Performance Measurement Unit
* (PMU) fast enough, some data is overwritten.
* User action:
* None
*/
/*?
* Text: "Registering for CPU-measurement alerts failed with rc=%i\n"
* Severity: Error
* Parameter:
* @1: Return code of failed interrupt handler registration
* Description:
* Please insert description here
* User action:
* Reboot. If the problem persists, gather Linux debug data and report
* the problem to your support organization.
*/
/*? Text: "%s: %d output lines suppressed due to ratelimiting\n" */

45
Documentation/kmsg/s390/cpum_cf_diag Normal file
View File

@ -0,0 +1,45 @@
/*? Text: "%s: %d output lines suppressed due to ratelimiting\n" */
/*? Text: "cpum_cf_diag counter set compare error in set %i\n" */
/*? Text: "Registration of s390dbf(cpum_cf_diag) failed\n" */
/*? Text: "Registration of PMU(cpum_cf_diag) failed with rc=%i\n" */
/*?
* Text: "Enabling the performance measuring unit failed with rc=%x\n"
* Severity: Error
* Parameter:
* @1: Error code returned by PMU enable function
* Description:
* The CPU Measurement Facilitiy for counters needs to be enabled to extract
* counter data.
* User action:
* To use the CPU-measurement counter facility, authorize the LPAR for each
* counter set you want to use. Customize the LPAR activation profile and modify
* the Counter Facility Security Options. Then reboot.
* If the problem persists, gather Linux debug data and report the
* problem to your support organization.
*/
/*?
* Text: "Disabling the performance measuring unit failed with rc=%x\n"
* Severity: Error
* Parameter:
* @1: Error code returned by PMU disable function
* Description:
* The CPU Measurement Facilitiy for counters is disabled to stop extraction
* of counter data.
* User action:
* Reboot. If the problem persists, gather Linux debug data and report the
* problem to your support organization.
*/
/*?
* Text: "Insufficient memory for PMU(cpum_cf_diag) need=%zu\n"
* Severity: Error
* Parameter:
* @1: Required amount of bytes needed to store the counter sets.
* Description:
* The preallocted memory to store counter sets is too small.
* User action:
* If the problem persists, gather Linux debug data and report the
* problem to your support organization.
*/