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5 Commits

Author SHA1 Message Date
Heiko Carstens
88dbd20372 [S390] ftrace: add function graph tracer support 
Function graph tracer support for s390.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
 2009-06-12 10:27:39 +02:00
Heiko Carstens
8b4488f85d [S390] ftrace: add function trace mcount test support 
Add support for early test if the function tracer is enabled or
disabled. Saves some extra function calls.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
 2009-06-12 10:27:38 +02:00
Heiko Carstens
dfd9f7abc0 [S390] ftrace: add dynamic ftrace support 
Dynamic ftrace support for s390.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
 2009-06-12 10:27:38 +02:00
Heiko Carstens
cf08734380 [S390] ftrace/mcount: fix kernel stack backchain 
With packed stack the backchain is at a different location.
Just use __SF_BACKCHAIN as an offset to store the backchain.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
 2009-03-18 13:28:12 +01:00
Heiko Carstens
5d360a75f8 [S390] ftrace: function tracer backend for s390 
This implements just the basic function tracer (_mcount) backend for s390.
The dynamic variant will come later.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
 2008-12-25 13:39:03 +01:00