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authorJan Glauber <jang@linux.vnet.ibm.com>2010-01-04 09:05:42 +0100
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>2010-01-04 09:05:58 +0100
commit6486cda6c6b15368e2c925d89b4e9ed13e67b91b (patch)
treec4ca8e2b2b961adbc19733d1bcf3ebc6c5c6be32 /arch/s390/include/asm/param.h
parent45d28b097280a78893ce25a5d0db41e6a2717853 (diff)
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[S390] qdio: convert global statistics to per-device stats
Revamp the qdio performance statistics and move them from procfs to debugfs using the seq_file interface. Since the statistics are not intended for the general user the removal of /proc/qdio_perf should not surprise anyone. The per device statistics are disabled by default, writing 1 to /<debugfs mountpoint>/qdio/<device bus ID>/statistics enables the statistics for the given device. Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/param.h')
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