Bug 1808003
| Summary: | Examples in the bpftrace man page don't work due to not using single quote | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 8 | Reporter: | Steve Johnston <sjohnsto> |
| Component: | bpftrace | Assignee: | Jerome Marchand <jmarchan> |
| Status: | CLOSED ERRATA | QA Contact: | Ziqian SUN (Zamir) <zsun> |
| Severity: | medium | Docs Contact: | |
| Priority: | unspecified | ||
| Version: | 8.1 | ||
| Target Milestone: | rc | ||
| Target Release: | 8.0 | ||
| Hardware: | x86_64 | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | bpftrace-0.11.1-1.el8 | Doc Type: | If docs needed, set a value |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2021-05-18 15:42:22 UTC | Type: | Bug |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | |||
| Bug Blocks: | 1680409 | ||
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory (bpftrace bug fix and enhancement update), and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2021:1818 |
Description of problem: If you try to use examples in the bpftrace man page with a cut and paste, you can get some odd error messages or even no output. For novices or newbies to bpftrace this could cause them to waste a lot of time and believe the tool doesn't work correctly. [root@RHEL8VM ~]# bpftrace -l ´*sleep*´ <- As copied from man page <- NOTHING!!!! [root@RHEL8VM ~]# bpftrace -l '*sleep*' <- Change the quote and it works tracepoint:sunrpc:rpc_task_sleep tracepoint:xfs:xfs_log_grant_sleep tracepoint:block:block_sleeprq tracepoint:compaction:mm_compaction_kcompactd_sleep tracepoint:vmscan:mm_vmscan_kswapd_sleep tracepoint:sched:sched_stat_sleep tracepoint:syscalls:sys_enter_clock_nanosleep tracepoint:syscalls:sys_exit_clock_nanosleep tracepoint:syscalls:sys_enter_nanosleep tracepoint:syscalls:sys_exit_nanosleep kprobe:tboot_extended_sleep - - - - - - 8< - - - - - - Version-Release number of selected component (if applicable): 4.18.0-147.5.1.el8_1.x86_64 How reproducible: Very. Steps to Reproduce: 1. 2. 3. Actual results: Expected results: Additional info: