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| author | jhb <jhb@FreeBSD.org> | 2009-03-11 21:48:36 +0000 |
|---|---|---|
| committer | jhb <jhb@FreeBSD.org> | 2009-03-11 21:48:36 +0000 |
| commit | 2548f05c6c8be3fe53f4191e634699bb4fa4c56b (patch) | |
| tree | 48083c4fab749cb8da99377a83f7d470672d4c2c /usr.bin/kdump | |
| parent | de74558fd8fae07358ec61b9001d0a7590bb9d22 (diff) | |
| download | FreeBSD-src-2548f05c6c8be3fe53f4191e634699bb4fa4c56b.zip FreeBSD-src-2548f05c6c8be3fe53f4191e634699bb4fa4c56b.tar.gz | |
Add a new type of KTRACE record for sysctl(3) invocations. It uses the
internal sysctl_sysctl_name() handler to map the MIB array to a string
name and logs this name in the trace log. This can be useful to see
exactly which sysctls a thread is invoking.
MFC after: 1 month
Diffstat (limited to 'usr.bin/kdump')
| -rw-r--r-- | usr.bin/kdump/kdump.1 | 1 | ||||
| -rw-r--r-- | usr.bin/kdump/kdump.c | 4 |
2 files changed, 5 insertions, 0 deletions
diff --git a/usr.bin/kdump/kdump.1 b/usr.bin/kdump/kdump.1 index 34b5bd4..b5e313b 100644 --- a/usr.bin/kdump/kdump.1 +++ b/usr.bin/kdump/kdump.1 @@ -172,6 +172,7 @@ The possible operations are: .It Li CSW Ta context switch Ta stop/resume user/kernel .It Li USER Ta data from user process Ta the data .It Li STRU Ta various syscalls Ta structure +.It Li SCTL Ta Xr sysctl 3 requests Ta MIB name .El .Sh SEE ALSO .Xr ktrace 1 diff --git a/usr.bin/kdump/kdump.c b/usr.bin/kdump/kdump.c index 72afdc8..079d272 100644 --- a/usr.bin/kdump/kdump.c +++ b/usr.bin/kdump/kdump.c @@ -217,6 +217,7 @@ main(int argc, char *argv[]) ktrsysret((struct ktr_sysret *)m); break; case KTR_NAMEI: + case KTR_SYSCTL: ktrnamei(m, ktrlen); break; case KTR_GENIO: @@ -288,6 +289,9 @@ dumpheader(struct ktr_header *kth) case KTR_STRUCT: type = "STRU"; break; + case KTR_SYSCTL: + type = "SCTL"; + break; default: (void)sprintf(unknown, "UNKNOWN(%d)", kth->ktr_type); type = unknown; |
