This patch series fixes the counts for NFSv4 lease and session related opcodes such as SEQUENCE
and RENEW. Before this patch series, all of the iostats counts shown in /proc/self/mountstats
were always 0. This complicates troubleshooting so I am proposing a small change to the sunrpc
interface to print these stats.
The series renames an exported symbol in sunrpc, rpc_print_iostats, to rpc_clnt_show_stats,
as described in the header.
As pointed out by Chuck Lever in the RFC patch, the output format remains the same so
this series does not change RPC_IOSTATS_VERS. Along with this small change, the patch header
in the third patch is slightly changed to better explain the types of opcodes that are now properly
counted.
Dave Wysochanski (3):
sunrpc: add _print_rpc_iostats() to output metrics for one RPC op
sunrpc: Add _add_rpc_iostats() to add rpc_iostats metrics
sunrpc: Change rpc_print_iostats to rpc_clnt_show_stats and handle
rpc_clnt clones
fs/nfs/super.c | 2 +-
include/linux/sunrpc/metrics.h | 4 ++--
net/sunrpc/stats.c | 54 ++++++++++++++++++++++++++++++------------
3 files changed, 42 insertions(+), 18 deletions(-)
--
2.14.3
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