Fix Windows CPU count

Return the current activ CPUs rather than the maximum supported
CPUs.

Fixes: c479640d6208 ("Merge branch 'proc_group' of https://github.com/sitsofe/fio")
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/os/os-windows-7.h b/os/os-windows-7.h
index f5ddb8efd30a9444c8c3ff8092f78291f8518ec2..0a6eaa3cb2e097e363395889bb4d04172c8d5fa7 100644 (file)
--- a/os/os-windows-7.h
+++ b/os/os-windows-7.h
@@ -10,7 +10,7 @@ typedef struct {
 /* Return all processors regardless of processor group */
 static inline unsigned int cpus_online(void)
 {
-       return GetMaximumProcessorCount(ALL_PROCESSOR_GROUPS);
+       return GetActiveProcessorCount(ALL_PROCESSOR_GROUPS);
 }
 
 static inline void print_mask(os_cpu_mask_t *cpumask)
@@ -104,7 +104,7 @@ static inline int mask_to_group_mask(os_cpu_mask_t *cpumask, int *processor_grou
        cpus_offset = 0;
        group_size = 0;
        while (!found && group < online_groups) {
-               group_size = GetMaximumProcessorCount(group);
+               group_size = GetActiveProcessorCount(group);
                dprint(FD_PROCESS, "group=%d group_start=%d group_size=%u search_cpu=%d\n",
                       group, cpus_offset, group_size, search_cpu);
                if (cpus_offset + group_size > search_cpu)
@@ -271,7 +271,7 @@ static inline int fio_getaffinity(int pid, os_cpu_mask_t *mask)
        dprint(FD_PROCESS, "current_groups=%d group_count=%d\n",
               current_groups[0], group_count);
        while (true) {
-               group_size = GetMaximumProcessorCount(group);
+               group_size = GetActiveProcessorCount(group);
                if (group_size == 0) {
                        log_err("fio_getaffinity: error retrieving size of "
                                "processor group %d\n", group);