diff options
author | rwatson <rwatson@FreeBSD.org> | 2005-11-12 14:21:48 +0000 |
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committer | rwatson <rwatson@FreeBSD.org> | 2005-11-12 14:21:48 +0000 |
commit | b52b6c93136bf42d011efb7a9cff015fe90c6a02 (patch) | |
tree | f00b5d0d89b26032f7109529e902a0df9f73ba68 /usr.bin/kdump | |
parent | e822237160f49937a020d391534382ab27cd4dc3 (diff) | |
download | FreeBSD-src-b52b6c93136bf42d011efb7a9cff015fe90c6a02.zip FreeBSD-src-b52b6c93136bf42d011efb7a9cff015fe90c6a02.tar.gz |
Add "-s" argument to kdump to suppress the display of I/O data.
MFC after: 1 week
Diffstat (limited to 'usr.bin/kdump')
-rw-r--r-- | usr.bin/kdump/kdump.1 | 4 | ||||
-rw-r--r-- | usr.bin/kdump/kdump.c | 11 |
2 files changed, 11 insertions, 4 deletions
diff --git a/usr.bin/kdump/kdump.1 b/usr.bin/kdump/kdump.1 index 817f733..e89f478 100644 --- a/usr.bin/kdump/kdump.1 +++ b/usr.bin/kdump/kdump.1 @@ -40,7 +40,7 @@ .Nd display kernel trace data .Sh SYNOPSIS .Nm -.Op Fl dEnlHRT +.Op Fl dEnlHRsT .Op Fl f Ar trfile .Op Fl m Ar maxdata .Op Fl p Ar pid @@ -96,6 +96,8 @@ This may be useful when there are multiple processes recorded in the same trace file. .It Fl R Display relative timestamps (time since previous entry). +.It Fl s +Suppress display of I/O data. .It Fl T Display absolute timestamps for each entry (seconds since epoch). .It Fl t Ar cnisuw diff --git a/usr.bin/kdump/kdump.c b/usr.bin/kdump/kdump.c index 14b940d..4a0ac31 100644 --- a/usr.bin/kdump/kdump.c +++ b/usr.bin/kdump/kdump.c @@ -81,7 +81,7 @@ void ktruser(int, unsigned char *); void usage(void); const char *ioctlname(u_long); -int timestamp, decimal, fancy = 1, tail, threads, maxdata; +int timestamp, decimal, fancy = 1, suppressdata, tail, threads, maxdata; const char *tracefile = DEF_TRACEFILE; struct ktr_header ktr_header; @@ -98,7 +98,7 @@ main(int argc, char *argv[]) (void) setlocale(LC_CTYPE, ""); - while ((ch = getopt(argc,argv,"f:dElm:np:HRTt:")) != -1) + while ((ch = getopt(argc,argv,"f:dElm:np:HRsTt:")) != -1) switch((char)ch) { case 'f': tracefile = optarg; @@ -118,6 +118,9 @@ main(int argc, char *argv[]) case 'p': pid = atoi(optarg); break; + case 's': + suppressdata = 1; + break; case 'E': timestamp = 3; /* elapsed timestamp */ break; @@ -538,6 +541,8 @@ ktrgenio(struct ktr_genio *ktr, int len) printf("fd %d %s %d byte%s\n", ktr->ktr_fd, ktr->ktr_rw == UIO_READ ? "read" : "wrote", datalen, datalen == 1 ? "" : "s"); + if (suppressdata) + return; if (maxdata && datalen > maxdata) datalen = maxdata; @@ -599,6 +604,6 @@ void usage(void) { (void)fprintf(stderr, - "usage: kdump [-dEnlHRT] [-f trfile] [-m maxdata] [-p pid] [-t [cnisuw]]\n"); + "usage: kdump [-dEnlHRsT] [-f trfile] [-m maxdata] [-p pid] [-t [cnisuw]]\n"); exit(1); } |