diff options
| author | Yue Ma <yuem@qca.qualcomm.com> | 2015-10-01 18:44:22 -0700 |
|---|---|---|
| committer | Anjaneedevi Kapparapu <akappa@codeaurora.org> | 2015-10-16 12:36:37 +0530 |
| commit | 1204cbbd7ccaf6d1bb55b367d63d130a0f84c761 (patch) | |
| tree | 66b4fc075c4f7222c3d0b03e519714da2d02800f | |
| parent | 9b1d27e0767680a4cfcd9d8545c30032170adbff (diff) | |
qcacld: Record interrupt history for SLUB_DEBUG build
Record interrupt history when interrupt/tasklet is invoked in
SLUB_DEBUG build.
Change-Id: Idc22341fe0dcd7cf75ddede3ff2fac17c418579d
CRs-fixed: 924388
| -rw-r--r-- | CORE/SERVICES/HIF/PCIe/if_pci.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/CORE/SERVICES/HIF/PCIe/if_pci.c b/CORE/SERVICES/HIF/PCIe/if_pci.c index 542b903d039a..b59f1535b4bd 100644 --- a/CORE/SERVICES/HIF/PCIe/if_pci.c +++ b/CORE/SERVICES/HIF/PCIe/if_pci.c @@ -131,6 +131,49 @@ static struct pci_device_id hif_pci_id_table[] = { { 0 } }; +/* HIF IRQ History */ +typedef enum { + HIF_IRQ, + HIF_TASKLET, + HIF_CRASH, +} hif_irq_type; + +#ifdef CONFIG_SLUB_DEBUG_ON +typedef struct { + hif_irq_type type; + A_UINT64 time; + A_UINT32 irq_summary; + A_UINT32 fw_indicator; +} hif_irq_history; + +#define HIF_IRQ_HISTORY_MAX 1024 +A_UINT32 g_hif_irq_history_idx = 0; +hif_irq_history hif_irq_history_buffer[HIF_IRQ_HISTORY_MAX]; + +void hif_irq_record(hif_irq_type type, struct hif_pci_softc *sc) +{ + struct HIF_CE_state *hif_state = (struct HIF_CE_state *)sc->hif_device; + A_target_id_t targid = hif_state->targid; + + if (HIF_IRQ_HISTORY_MAX <= g_hif_irq_history_idx) + g_hif_irq_history_idx = 0; + + hif_irq_history_buffer[g_hif_irq_history_idx].type = type; + hif_irq_history_buffer[g_hif_irq_history_idx].time = adf_get_boottime(); + + HIFTargetSleepStateAdjust(hif_state->targid, FALSE, TRUE); + hif_irq_history_buffer[g_hif_irq_history_idx].irq_summary = + CE_INTERRUPT_SUMMARY(targid); + hif_irq_history_buffer[g_hif_irq_history_idx].fw_indicator = + A_TARGET_READ(targid, hif_state->fw_indicator_address); + HIFTargetSleepStateAdjust(hif_state->targid, TRUE, FALSE); + + g_hif_irq_history_idx++; +} +#else +void hif_irq_record(hif_irq_type type, struct hif_pci_softc *sc) {}; +#endif + #ifndef REMOVE_PKT_LOG struct ol_pl_os_dep_funcs *g_ol_pl_os_dep_funcs = NULL; #endif @@ -164,6 +207,8 @@ hif_pci_interrupt_handler(int irq, void *arg) adf_os_spin_unlock_irqrestore(&hif_state->suspend_lock); return IRQ_HANDLED; } + + hif_irq_record(HIF_IRQ, sc); } /* Clear Legacy PCI line interrupts */ @@ -713,6 +758,8 @@ wlan_tasklet(unsigned long data) #endif goto irq_handled; + hif_irq_record(HIF_TASKLET, sc); + adf_os_atomic_set(&sc->ce_suspend, 0); (irqreturn_t)HIF_fw_interrupt_handler(sc->irq_event, sc); @@ -2430,6 +2477,8 @@ void hif_pci_crash_shutdown(struct pci_dev *pdev) adf_os_spin_lock_irqsave(&hif_state->suspend_lock); + hif_irq_record(HIF_CRASH, sc); + #ifdef DEBUG if (hif_pci_check_soc_status(scn->hif_sc) || dump_CE_register(scn)) { |