diff options
| -rw-r--r-- | drivers/misc/sgi-gru/gru.h | 11 | ||||
| -rw-r--r-- | drivers/misc/sgi-gru/grufault.c | 5 | ||||
| -rw-r--r-- | drivers/misc/sgi-gru/grulib.h | 13 | ||||
| -rw-r--r-- | drivers/misc/sgi-gru/grutables.h | 2 |
4 files changed, 17 insertions, 14 deletions
diff --git a/drivers/misc/sgi-gru/gru.h b/drivers/misc/sgi-gru/gru.h index f93f03a9e6e..3ad76cd18b4 100644 --- a/drivers/misc/sgi-gru/gru.h +++ b/drivers/misc/sgi-gru/gru.h @@ -53,6 +53,17 @@ struct gru_chiplet_info { int free_user_cbr; }; +/* + * Statictics kept for each context. + */ +struct gru_gseg_statistics { + unsigned long fmm_tlbmiss; + unsigned long upm_tlbmiss; + unsigned long tlbdropin; + unsigned long context_stolen; + unsigned long reserved[10]; +}; + /* Flags for GRU options on the gru_create_context() call */ /* Select one of the follow 4 options to specify how TLB misses are handled */ #define GRU_OPT_MISS_DEFAULT 0x0000 /* Use default mode */ diff --git a/drivers/misc/sgi-gru/grufault.c b/drivers/misc/sgi-gru/grufault.c index 6ff6dfb7516..38657cdaf54 100644 --- a/drivers/misc/sgi-gru/grufault.c +++ b/drivers/misc/sgi-gru/grufault.c @@ -438,6 +438,7 @@ static int gru_try_dropin(struct gru_state *gru, } gru_cb_set_istatus_active(cbk); + gts->ustats.tlbdropin++; tfh_write_restart(tfh, gpa, GAA_RAM, vaddr, asid, write, GRU_PAGESIZE(pageshift)); gru_dbg(grudev, @@ -580,9 +581,9 @@ static irqreturn_t gru_intr(int chiplet, int blade) * This is running in interrupt context. Trylock the mmap_sem. * If it fails, retry the fault in user context. */ + gts->ustats.fmm_tlbmiss++; if (!gts->ts_force_cch_reload && down_read_trylock(>s->ts_mm->mmap_sem)) { - gts->ustats.fmm_tlbdropin++; gru_try_dropin(gru, gts, tfh, NULL); up_read(>s->ts_mm->mmap_sem); } else { @@ -624,7 +625,7 @@ static int gru_user_dropin(struct gru_thread_state *gts, struct gru_mm_struct *gms = gts->ts_gms; int ret; - gts->ustats.upm_tlbdropin++; + gts->ustats.upm_tlbmiss++; while (1) { wait_event(gms->ms_wait_queue, atomic_read(&gms->ms_range_active) == 0); diff --git a/drivers/misc/sgi-gru/grulib.h b/drivers/misc/sgi-gru/grulib.h index c6928af7393..e77d1b1f9d0 100644 --- a/drivers/misc/sgi-gru/grulib.h +++ b/drivers/misc/sgi-gru/grulib.h @@ -63,18 +63,9 @@ #define THREAD_POINTER(p, th) (p + GRU_GSEG_PAGESIZE * (th)) #define GSEG_START(cb) ((void *)((unsigned long)(cb) & ~(GRU_GSEG_PAGESIZE - 1))) -/* - * Statictics kept on a per-GTS basis. - */ -struct gts_statistics { - unsigned long fmm_tlbdropin; - unsigned long upm_tlbdropin; - unsigned long context_stolen; -}; - struct gru_get_gseg_statistics_req { - unsigned long gseg; - struct gts_statistics stats; + unsigned long gseg; + struct gru_gseg_statistics stats; }; /* diff --git a/drivers/misc/sgi-gru/grutables.h b/drivers/misc/sgi-gru/grutables.h index 54c3bb171ee..668ee377aa7 100644 --- a/drivers/misc/sgi-gru/grutables.h +++ b/drivers/misc/sgi-gru/grutables.h @@ -385,7 +385,7 @@ struct gru_thread_state { allocated CB */ int ts_data_valid; /* Indicates if ts_gdata has valid data */ - struct gts_statistics ustats; /* User statistics */ + struct gru_gseg_statistics ustats; /* User statistics */ unsigned long ts_gdata[0]; /* save area for GRU data (CB, DS, CBE) */ }; |