Why does this limitation affect user land probes, too?
The limitations on sizes of the components in a probe
specification exist within the framework. Yes, providers
are responsible for creating probes (and therefore their
names) but they are all constrained by the limits. These
limits are defined in <sys/dtrace.h>:
#define DTRACE_PROVNAMELEN 64
#define DTRACE_MODNAMELEN 64
#define DTRACE_FUNCNAMELEN 128
#define DTRACE_NAMELEN 64
Jon.
Olga
On Mon, Nov 30, 2009 at 12:08 PM, Jon Haslam<jonathan.has...@sun.com> wrote:
Hi Joel,
Is there a setting I can use to make sure probefunc is not cut off at 127
characters?
As James said, this is a hardcoded limit so there's not an awful
lot you can do about it. Sorry.
Sometime we should really revisit the current static allocations.
FYI, there is an open bug which covers this:
6258412 DTrace needs to support longer function names
Jon.
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