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Bug #346

closed

Kernel tracing does not work when enabling events AFTER tracing was started if no event was previously enabled.

Added by David Goulet about 12 years ago. Updated about 12 years ago.

Status:
Resolved
Priority:
High
Assignee:
David Goulet
Target version:
LTTng - 2.1 stable
Start date:
09/19/2012
Due date:
% Done:

100%

Estimated time:

Description

The following set of commands does not work:

  1. lttng create
  2. lttng start
  3. lttng enable-event -k sched_switch

The stop command will return an error as well.

The workaround is of course enable an event before starting. After that, enabling/disabling whatever event we want is not a problem.

Related issues 1 (0 open — 1 closed)

Related to LTTng-tools - Bug #394: Enabling an event after a started session containing no event makes tracing fails and assert for USTResolvedDavid Goulet11/08/2012

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