gru: add additional GRU statistics

Add additional GRU statistics & debug messages.

Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 13 insertions, 12 deletions

diff --git a/drivers/misc/sgi-gru/gruprocfs.c b/drivers/misc/sgi-gru/gruprocfs.c
index 4f6fc11a2637..0a57ab29cd30 100644
--- a/drivers/misc/sgi-gru/gruprocfs.c
+++ b/drivers/misc/sgi-gru/gruprocfs.c
@@ -36,8 +36,7 @@ static void printstat_val(struct seq_file *s, atomic_long_t *v, char *id)
 {
         unsigned long val = atomic_long_read(v);
 
-        if (val)
-                seq_printf(s, "%16lu %s\n", val, id);
+        seq_printf(s, "%16lu %s\n", val, id);
 }
 
 static int statistics_show(struct seq_file *s, void *p)
@@ -46,7 +45,8 @@ static int statistics_show(struct seq_file *s, void *p)
         printstat(s, vdata_free);
         printstat(s, gts_alloc);
         printstat(s, gts_free);
-        printstat(s, vdata_double_alloc);
+        printstat(s, gms_alloc);
+        printstat(s, gms_free);
         printstat(s, gts_double_allocate);
         printstat(s, assign_context);
         printstat(s, assign_context_failed);
@@ -59,15 +59,15 @@ static int statistics_show(struct seq_file *s, void *p)
         printstat(s, steal_kernel_context);
         printstat(s, steal_context_failed);
         printstat(s, nopfn);
-        printstat(s, break_cow);
         printstat(s, asid_new);
         printstat(s, asid_next);
         printstat(s, asid_wrap);
         printstat(s, asid_reuse);
         printstat(s, intr);
+        printstat(s, intr_cbr);
+        printstat(s, intr_tfh);
         printstat(s, intr_mm_lock_failed);
         printstat(s, call_os);
-        printstat(s, call_os_check_for_bug);
         printstat(s, call_os_wait_queue);
         printstat(s, user_flush_tlb);
         printstat(s, user_unload_context);
@@ -83,11 +83,9 @@ static int statistics_show(struct seq_file *s, void *p)
         printstat(s, tlb_dropin_fail_idle);
         printstat(s, tlb_dropin_fail_fmm);
         printstat(s, tlb_dropin_fail_no_exception);
-        printstat(s, tlb_dropin_fail_no_exception_war);
         printstat(s, tfh_stale_on_fault);
         printstat(s, mmu_invalidate_range);
         printstat(s, mmu_invalidate_page);
-        printstat(s, mmu_clear_flush_young);
         printstat(s, flush_tlb);
         printstat(s, flush_tlb_gru);
         printstat(s, flush_tlb_gru_tgh);
@@ -104,7 +102,6 @@ static int statistics_show(struct seq_file *s, void *p)
         printstat(s, mesq_send_qlimit_reached);
         printstat(s, mesq_send_amo_nacked);
         printstat(s, mesq_send_put_nacked);
-        printstat(s, mesq_qf_not_full);
         printstat(s, mesq_qf_locked);
         printstat(s, mesq_qf_noop_not_full);
         printstat(s, mesq_qf_switch_head_failed);
@@ -114,6 +111,7 @@ static int statistics_show(struct seq_file *s, void *p)
         printstat(s, mesq_noop_qlimit_reached);
         printstat(s, mesq_noop_amo_nacked);
         printstat(s, mesq_noop_put_nacked);
+        printstat(s, mesq_noop_page_overflow);
         return 0;
 }
 
@@ -131,6 +129,7 @@ static int mcs_statistics_show(struct seq_file *s, void *p)
         static char *id[] = {"cch_allocate", "cch_start", "cch_interrupt",
                 "cch_interrupt_sync", "cch_deallocate", "tgh_invalidate"};
 
+        seq_printf(s, "%-20s%12s%12s%12s\n", "#id", "count", "aver-clks", "max-clks");
         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);
@@ -150,6 +149,7 @@ static ssize_t mcs_statistics_write(struct file *file,
 
 static int options_show(struct seq_file *s, void *p)
 {
+        seq_printf(s, "#bitmask: 1=trace, 2=statistics\n");
         seq_printf(s, "0x%lx\n", gru_options);
         return 0;
 }
@@ -179,16 +179,17 @@ static int cch_seq_show(struct seq_file *file, void *data)
         const char *mode[] = { "??", "UPM", "INTR", "OS_POLL" };
 
         if (gid == 0)
-                seq_printf(file, "#%5s%5s%6s%9s%6s%8s%8s\n", "gid", "bid",
-                           "ctx#", "pid", "cbrs", "dsbytes", "mode");
+                seq_printf(file, "#%5s%5s%6s%7s%9s%6s%8s%8s\n", "gid", "bid",
+                           "ctx#", "asid", "pid", "cbrs", "dsbytes", "mode");
         if (gru)
                 for (i = 0; i < GRU_NUM_CCH; i++) {
                         ts = gru->gs_gts[i];
                         if (!ts)
                                 continue;
-                        seq_printf(file, " %5d%5d%6d%9d%6d%8d%8s\n",
+                        seq_printf(file, " %5d%5d%6d%7d%9d%6d%8d%8s\n",
                                    gru->gs_gid, gru->gs_blade_id, i,
-                                   ts->ts_tgid_owner,
+                                   is_kernel_context(ts) ? 0 : ts->ts_gms->ms_asids[gid].mt_asid,
+                                   is_kernel_context(ts) ? 0 : ts->ts_tgid_owner,
                                    ts->ts_cbr_au_count * GRU_CBR_AU_SIZE,
                                    ts->ts_cbr_au_count * GRU_DSR_AU_BYTES,
                                    mode[ts->ts_user_options &