search for: extents_op

Displaying 5 results from an estimated 5 matches for "extents_op".

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2019 Nov 30
5
[PATCH nbdkit 0/3] filters: stats: More useful, more friendly
- Use more friendly output with GiB and MiB/s. - Measure time per operation, providing finer grain stats - Add missing stats for flush I hope that these changes will help to understand and imporve virt-v2v performance. Nir Soffer (3): filters: stats: Show size in GiB, rate in MiB/s filters: stats: Measure time per operation filters: stats: Add flush stats filters/stats/stats.c | 117
2019 Nov 30
0
[PATCH nbdkit 1/3] filters: stats: Show size in GiB, rate in MiB/s
...stats/stats.c +++ b/filters/stats/stats.c @@ -49,6 +49,10 @@ #include "cleanup.h" #include "tvdiff.h" +#define MiB 1048576.0 +#define GiB 1073741824.0 +#define USEC 1000000.0 + static char *filename; static bool append; static FILE *fp; @@ -64,34 +68,34 @@ static uint64_t extents_ops, extents_bytes; static uint64_t cache_ops, cache_bytes; static inline double -calc_bps (uint64_t bytes, int64_t usecs) +calc_mibps (uint64_t bytes, int64_t usecs) { - return 8.0 * bytes / usecs * 1000000.; + return bytes / MiB / usecs * USEC; } static inline void print_stats (int64_t u...
2019 Nov 30
0
[PATCH nbdkit 2/3] filters: stats: Measure time per operation
...ct timeval start_t; /* This lock protects all the stats. */ static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER; -static uint64_t pread_ops, pread_bytes; -static uint64_t pwrite_ops, pwrite_bytes; -static uint64_t trim_ops, trim_bytes; -static uint64_t zero_ops, zero_bytes; -static uint64_t extents_ops, extents_bytes; -static uint64_t cache_ops, cache_bytes; +static uint64_t pread_ops, pread_bytes, pread_usecs; +static uint64_t pwrite_ops, pwrite_bytes, pwrite_usecs; +static uint64_t trim_ops, trim_bytes, trim_usecs; +static uint64_t zero_ops, zero_bytes, zero_usecs; +static uint64_t extents_ops...
2019 Nov 30
1
Re: [PATCH nbdkit 1/3] filters: stats: Show size in GiB, rate in MiB/s
...10 @@ > #include "cleanup.h" > #include "tvdiff.h" > > +#define MiB 1048576.0 > +#define GiB 1073741824.0 > +#define USEC 1000000.0 > + > static char *filename; > static bool append; > static FILE *fp; > @@ -64,34 +68,34 @@ static uint64_t extents_ops, extents_bytes; > static uint64_t cache_ops, cache_bytes; > > static inline double > -calc_bps (uint64_t bytes, int64_t usecs) > +calc_mibps (uint64_t bytes, int64_t usecs) > { > - return 8.0 * bytes / usecs * 1000000.; > + return bytes / MiB / usecs * USEC; > }...
2019 May 16
27
[nbdkit PATCH v2 00/24] implement NBD_CMD_CACHE
Since v1: - rework .can_cache to be tri-state, with default of no advertisement (ripple effect through other patches) - add a lot more patches in order to round out filter support And in the meantime, Rich pushed NBD_CMD_CACHE support into libnbd, so in theory we now have a way to test cache commands through the entire stack. Eric Blake (24): server: Internal hooks for implementing