diff options
Diffstat (limited to 'drivers/misc/sgi-gru/gruprocfs.c')
| -rw-r--r-- | drivers/misc/sgi-gru/gruprocfs.c | 45 |
1 files changed, 43 insertions, 2 deletions
diff --git a/drivers/misc/sgi-gru/gruprocfs.c b/drivers/misc/sgi-gru/gruprocfs.c index 73b0ca061bb5..ee74821b171c 100644 --- a/drivers/misc/sgi-gru/gruprocfs.c +++ b/drivers/misc/sgi-gru/gruprocfs.c @@ -62,7 +62,9 @@ static int statistics_show(struct seq_file *s, void *p) printstat(s, asid_wrap); printstat(s, asid_reuse); printstat(s, intr); + printstat(s, intr_mm_lock_failed); printstat(s, call_os); + printstat(s, call_os_offnode_reference); printstat(s, call_os_check_for_bug); printstat(s, call_os_wait_queue); printstat(s, user_flush_tlb); @@ -120,6 +122,30 @@ static ssize_t statistics_write(struct file *file, const char __user *userbuf, return count; } +static int mcs_statistics_show(struct seq_file *s, void *p) +{ + int op; + unsigned long total, count, max; + static char *id[] = {"cch_allocate", "cch_start", "cch_interrupt", + "cch_interrupt_sync", "cch_deallocate", "tgh_invalidate"}; + + for (op = 0; op < mcsop_last; op++) { + count = atomic_long_read(&mcs_op_statistics[op].count); + total = atomic_long_read(&mcs_op_statistics[op].total); + max = mcs_op_statistics[op].max; + seq_printf(s, "%-20s%12ld%12ld%12ld\n", id[op], count, + count ? total / count : 0, max); + } + return 0; +} + +static ssize_t mcs_statistics_write(struct file *file, + const char __user *userbuf, size_t count, loff_t *data) +{ + memset(mcs_op_statistics, 0, sizeof(mcs_op_statistics)); + return count; +} + static int options_show(struct seq_file *s, void *p) { seq_printf(s, "0x%lx\n", gru_options); @@ -135,6 +161,7 @@ static ssize_t options_write(struct file *file, const char __user *userbuf, if (copy_from_user (buf, userbuf, count < sizeof(buf) ? count : sizeof(buf))) return -EFAULT; + buf[count - 1] = '\0'; if (!strict_strtoul(buf, 10, &val)) gru_options = val; @@ -199,7 +226,7 @@ static void seq_stop(struct seq_file *file, void *data) static void *seq_start(struct seq_file *file, loff_t *gid) { - if (*gid < GRU_MAX_GRUS) + if (*gid < gru_max_gids) return gid; return NULL; } @@ -207,7 +234,7 @@ static void *seq_start(struct seq_file *file, loff_t *gid) static void *seq_next(struct seq_file *file, void *data, loff_t *gid) { (*gid)++; - if (*gid < GRU_MAX_GRUS) + if (*gid < gru_max_gids) return gid; return NULL; } @@ -231,6 +258,11 @@ static int statistics_open(struct inode *inode, struct file *file) return single_open(file, statistics_show, NULL); } +static int mcs_statistics_open(struct inode *inode, struct file *file) +{ + return single_open(file, mcs_statistics_show, NULL); +} + static int options_open(struct inode *inode, struct file *file) { return single_open(file, options_show, NULL); @@ -255,6 +287,14 @@ static const struct file_operations statistics_fops = { .release = single_release, }; +static const struct file_operations mcs_statistics_fops = { + .open = mcs_statistics_open, + .read = seq_read, + .write = mcs_statistics_write, + .llseek = seq_lseek, + .release = single_release, +}; + static const struct file_operations options_fops = { .open = options_open, .read = seq_read, @@ -283,6 +323,7 @@ static struct proc_entry { struct proc_dir_entry *entry; } proc_files[] = { {"statistics", 0644, &statistics_fops}, + {"mcs_statistics", 0644, &mcs_statistics_fops}, {"debug_options", 0644, &options_fops}, {"cch_status", 0444, &cch_fops}, {"gru_status", 0444, &gru_fops}, |