Add ebpf_exporter_ebpf_programs with program tags #44
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This gauge reports information available for every ebpf program:
```
ebpf_exporter_ebpf_programs{function="xfs_fs_free_cached_objects_end",program="xfs_reclaim",tag="d5e845dc27b372e4"} 1
ebpf_exporter_ebpf_programs{function="xfs_fs_free_cached_objects_start",program="xfs_reclaim",tag="c2439d02dd0ba000"} 1
ebpf_exporter_ebpf_programs{function="xfs_fs_nr_cached_objects_end",program="xfs_reclaim",tag="598375893f34ef39"} 1
ebpf_exporter_ebpf_programs{function="xfs_fs_nr_cached_objects_start",program="xfs_reclaim",tag="cf30348184f983dd"} 1
```
Here `tag` can be used for tracing and performance analysis with two conditions:
* `net.core.bpf_jit_kallsyms=1` sysctl is set
* `--kallsyms=/proc/kallsyms` is passed to `perf record`
Newer kernels allow `--kallsyms` to `perf top` as well,
in the future it may not be required at all:
* https://www.spinics.net/lists/linux-perf-users/msg07216.html
|
This depends on iovisor/gobpf#162 |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
This gauge reports information available for every ebpf program:
Here
tagcan be used for tracing and performance analysis with two conditions:net.core.bpf_jit_kallsyms=1sysctl is set--kallsyms=/proc/kallsymsis passed toperf recordNewer kernels allow
--kallsymstoperf topas well,in the future it may not be required at all: