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27.4.4.10 The ps_setup_enable_instrument() Procedure

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Enables Performance Schema instruments with names that contain the argument. Produces a result set indicating how many instruments were enabled. Already enabled instruments do not count.

Parameters

  • in_pattern VARCHAR(128): The value used to match instrument names, which are identified by using %in_pattern% as an operand for a LIKE pattern match.

    A value of '' matches all instruments.

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Example

Enable a specific instrument:

  1. mysql> CALL sys.ps_setup_enable_instrument('wait/lock/metadata/sql/mdl');
  2. +----------------------+
  3. | summary              |
  4. +----------------------+
  5. | Enabled 1 instrument |
  6. +----------------------+

Enable all mutex instruments:

  1. mysql> CALL sys.ps_setup_enable_instrument('mutex');
  2. +-------------------------+
  3. | summary                 |
  4. +-------------------------+
  5. | Enabled 177 instruments |
  6. +-------------------------+

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Document created the 26/06/2006, last modified the 26/10/2018
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References

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