dtrace discuss - Sep 2010 - No hotspot probes enables

Hi,

I''m trying to trace a jvm using the hotspot provider. I''ve
enabled the flag ExtendedDTraceProbes for the running process:

 /opt/j2sdk-1.6.0.16/bin/amd64/jinfo -flag +ExtendedDTraceProbes  25255

But I didn''t get the expected result:

dtrace -n ''hostspot$1::: {} '' 25255
dtrace: invalid probe specifier hostspot$1::: {} : probe description
hostspot25255::: does not match any probes


I''ve tried to trace another jvm in the same way and it works smoothly.
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Did you spell hotspot correctly?

Angelo

----- Reply message -----
From: "goinsane" <mfz_me at gmx.de>
Date: Thu, Sep 30, 2010 4:43 am
Subject: [dtrace-discuss] No hotspot probes enables
To: <dtrace-discuss at opensolaris.org>

Hi,

I''m trying to trace a jvm using the hotspot provider. I''ve
enabled the flag ExtendedDTraceProbes for the running process:

 /opt/j2sdk-1.6.0.16/bin/amd64/jinfo -flag +ExtendedDTraceProbes  25255

But I didn''t get the expected result:

dtrace -n ''hostspot$1::: {} '' 25255
dtrace: invalid probe specifier hostspot$1::: {} : probe description
hostspot25255::: does not match any probes


I''ve tried to trace another jvm in the same way and it works smoothly.
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aaaaarrgghh!!! Shame on me. I''ve really made that typo several times.
Thank you!
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This message posted from opensolaris.org

someone detected the typo here:
> dtrace -n ''hostspot$1::: {} '' 25255
> dtrace: invalid probe specifier hostspot$1::: {} :
> probe description hostspot25255::: does not match any
> probes
> 
There is no probe ''hostspot'' at all.
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