Messages in this thread Patch in this message | | | Date | Tue, 8 Feb 2011 15:17:17 GMT | From | tip-bot for Masami Hiramatsu <> | Subject | [tip:perf/core] tracing/kprobes: Support longer (>128 bytes) command |
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Commit-ID: e3745369986ddcdaa19f70e2d24e658876b97e84 Gitweb: http://git.kernel.org/tip/e3745369986ddcdaa19f70e2d24e658876b97e84 Author: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> AuthorDate: Fri, 4 Feb 2011 21:51:59 +0900 Committer: Arnaldo Carvalho de Melo <acme@redhat.com> CommitDate: Mon, 7 Feb 2011 09:15:59 -0200
tracing/kprobes: Support longer (>128 bytes) command
Expand command line buffer of kprobe-tracer to 4096 bytes.
Reported-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Cc: 2nddept-manager@sdl.hitachi.co.jp Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> LKML-Reference: <20110204125159.9507.20895.stgit@ltc236.sdl.hitachi.co.jp> Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> --- kernel/trace/trace_kprobe.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c index 2088893..c6ed886 100644 --- a/kernel/trace/trace_kprobe.c +++ b/kernel/trace/trace_kprobe.c @@ -1129,7 +1129,7 @@ static int command_trace_probe(const char *buf) return ret; } -#define WRITE_BUFSIZE 128 +#define WRITE_BUFSIZE 4096 static ssize_t probes_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos)
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