diff options
| author | philippe56 <felix@linux.ibm.com> | 2019-04-11 06:57:48 +0200 |
|---|---|---|
| committer | Alastair D'Silva <deece@users.noreply.github.com> | 2019-04-11 14:57:48 +1000 |
| commit | 9bd471ee2cfd147f430994a1e266257de99222e4 (patch) | |
| tree | 903abd15ff157dab898520baa0b2d2070728103d | |
| parent | a475a8d599da909f0a9179f124bbe475de8c47aa (diff) | |
'ocxl_memcpy -p0' forks as many of processes as permitted by AFU (#28)
* 'ocxl_memcpy -p0' forks as many of processes as permitted by AFU
Signed-off-by: Philippe Bergheaud <felix@linux.ibm.com>
| -rw-r--r-- | afutests/memcpy/README.md | 1 | ||||
| -rw-r--r-- | afutests/memcpy/ocxl_memcpy.c | 5 |
2 files changed, 6 insertions, 0 deletions
diff --git a/afutests/memcpy/README.md b/afutests/memcpy/README.md index 1bc5a0d..8ef1387 100644 --- a/afutests/memcpy/README.md +++ b/afutests/memcpy/README.md @@ -25,6 +25,7 @@ Usage -i Send an interrupt after copy -l <loops> Run this number of memcpy loops (default 1) -p <procs> Fork this number of processes (default 1) + -p 0 Use the maximum number of processes permitted by the AFU -r Reallocate the destination buffer in between 2 loops -s <bufsize> Copy this number of bytes (default 2048) -t <timeout> Seconds to wait for the AFU to signal completion diff --git a/afutests/memcpy/ocxl_memcpy.c b/afutests/memcpy/ocxl_memcpy.c index caaacf9..de5dfc6 100644 --- a/afutests/memcpy/ocxl_memcpy.c +++ b/afutests/memcpy/ocxl_memcpy.c @@ -33,6 +33,7 @@ #define LOG_INF(pid, fmt, x...) printf("Process %d: " fmt, pid, ##x) #define AFU_NAME "IBM,MEMCPY3" +#define AFU_MAX_PROCESSES 512 #define CACHELINESIZE 128 /* Queue sizes other than 512kB don't seem to work (still true?) */ @@ -662,6 +663,7 @@ void usage(char *name) fprintf(stderr, "\t-w\t\tSend a wake_host_thread command after copy\n"); fprintf(stderr, "\t-l <loops>\tRun this number of memcpy loops (default 1)\n"); fprintf(stderr, "\t-p <procs>\tFork this number of processes (default 1)\n"); + fprintf(stderr, "\t-p 0\t\tUse the maximum number of processes permitted by the AFU\n"); fprintf(stderr, "\t-r\t\tReallocate the destination buffer in between 2 loops\n"); fprintf(stderr, "\t-s <bufsize>\tCopy this number of bytes (default 2048)\n"); fprintf(stderr, "\t-t <timeout>\tSeconds to wait for the AFU to signal completion\n"); @@ -729,6 +731,9 @@ int main(int argc, char *argv[]) } } + if (processes == 0) + processes = AFU_MAX_PROCESSES; + if (args.completion_timeout == -1) { args.completion_timeout = processes / 5; if (args.completion_timeout < 10) |