msm: kgsl: add userspace memory alloc and free tracepoints
Add events for tracking memory operations by userspace
clients: kgsl_mem_alloc, kgsl_mem_map, kgsl_mem_free,
kgsl_mem_timestamp_queue (adding an entry to the free
on timestamp list) and kgsl_mem_timestamp_free (when
the memory is actually freed).
Change-Id: Id62eec30ea20a0f00f7a7a791c7e5b8dfad487af
Signed-off-by: Jeremy Gebben <jgebben@codeaurora.org>
diff --git a/drivers/gpu/msm/kgsl.c b/drivers/gpu/msm/kgsl.c
index cbdf902..b7356ac 100644
--- a/drivers/gpu/msm/kgsl.c
+++ b/drivers/gpu/msm/kgsl.c
@@ -1024,6 +1024,7 @@
spin_lock(&entry->priv->mem_lock);
list_del(&entry->list);
spin_unlock(&entry->priv->mem_lock);
+ trace_kgsl_mem_timestamp_free(entry, timestamp);
kgsl_mem_entry_put(entry);
}
@@ -1034,12 +1035,18 @@
int result = 0;
struct kgsl_cmdstream_freememontimestamp *param = data;
struct kgsl_mem_entry *entry = NULL;
+ struct kgsl_device *device = dev_priv->device;
+ unsigned int cur;
spin_lock(&dev_priv->process_priv->mem_lock);
entry = kgsl_sharedmem_find(dev_priv->process_priv, param->gpuaddr);
spin_unlock(&dev_priv->process_priv->mem_lock);
if (entry) {
+ cur = device->ftbl->readtimestamp(device,
+ KGSL_TIMESTAMP_RETIRED);
+
+ trace_kgsl_mem_timestamp_queue(entry, cur);
result = kgsl_add_event(dev_priv->device, param->timestamp,
kgsl_freemem_event_cb, entry, dev_priv);
} else {
@@ -1118,6 +1125,7 @@
spin_unlock(&private->mem_lock);
if (entry) {
+ trace_kgsl_mem_free(entry);
kgsl_mem_entry_put(entry);
} else {
KGSL_CORE_ERR("invalid gpuaddr %08x\n", param->gpuaddr);
@@ -1218,6 +1226,7 @@
kgsl_mem_entry_attach_process(entry, private);
+ trace_kgsl_mem_alloc(entry);
/* Process specific statistics */
kgsl_process_add_stats(private, entry->memtype, len);
@@ -1652,6 +1661,7 @@
kgsl_process_add_stats(private, entry->memtype, param->len);
kgsl_mem_entry_attach_process(entry, private);
+ trace_kgsl_mem_map(entry, param->fd);
kgsl_check_idle(dev_priv->device);
return result;
@@ -1718,6 +1728,7 @@
param->gpuaddr = entry->memdesc.gpuaddr;
kgsl_process_add_stats(private, entry->memtype, param->size);
+ trace_kgsl_mem_alloc(entry);
} else
kfree(entry);
diff --git a/drivers/gpu/msm/kgsl_trace.h b/drivers/gpu/msm/kgsl_trace.h
index 86a9adc..22bc576 100644
--- a/drivers/gpu/msm/kgsl_trace.h
+++ b/drivers/gpu/msm/kgsl_trace.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2011, Code Aurora Forum. All rights reserved.
+/* Copyright (c) 2011-2012, Code Aurora Forum. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@@ -257,6 +257,122 @@
TP_ARGS(device, state)
);
+TRACE_EVENT(kgsl_mem_alloc,
+
+ TP_PROTO(struct kgsl_mem_entry *mem_entry),
+
+ TP_ARGS(mem_entry),
+
+ TP_STRUCT__entry(
+ __field(unsigned int, gpuaddr)
+ __field(unsigned int, size)
+ ),
+
+ TP_fast_assign(
+ __entry->gpuaddr = mem_entry->memdesc.gpuaddr;
+ __entry->size = mem_entry->memdesc.size;
+ ),
+
+ TP_printk(
+ "gpuaddr=0x%08x size=%d",
+ __entry->gpuaddr, __entry->size
+ )
+);
+
+TRACE_EVENT(kgsl_mem_map,
+
+ TP_PROTO(struct kgsl_mem_entry *mem_entry, int fd),
+
+ TP_ARGS(mem_entry, fd),
+
+ TP_STRUCT__entry(
+ __field(unsigned int, gpuaddr)
+ __field(unsigned int, size)
+ __field(int, fd)
+ __field(int, type)
+ ),
+
+ TP_fast_assign(
+ __entry->gpuaddr = mem_entry->memdesc.gpuaddr;
+ __entry->size = mem_entry->memdesc.size;
+ __entry->fd = fd;
+ __entry->type = mem_entry->memtype;
+ ),
+
+ TP_printk(
+ "gpuaddr=0x%08x size=%d type=%d fd=%d",
+ __entry->gpuaddr, __entry->size,
+ __entry->type, __entry->fd
+ )
+);
+
+TRACE_EVENT(kgsl_mem_free,
+
+ TP_PROTO(struct kgsl_mem_entry *mem_entry),
+
+ TP_ARGS(mem_entry),
+
+ TP_STRUCT__entry(
+ __field(unsigned int, gpuaddr)
+ __field(unsigned int, size)
+ __field(int, type)
+ __field(int, fd)
+ ),
+
+ TP_fast_assign(
+ __entry->gpuaddr = mem_entry->memdesc.gpuaddr;
+ __entry->size = mem_entry->memdesc.size;
+ __entry->type = mem_entry->memtype;
+ ),
+
+ TP_printk(
+ "gpuaddr=0x%08x size=%d type=%d",
+ __entry->gpuaddr, __entry->size, __entry->type
+ )
+);
+
+DECLARE_EVENT_CLASS(kgsl_mem_timestamp_template,
+
+ TP_PROTO(struct kgsl_mem_entry *mem_entry, unsigned int curr_ts),
+
+ TP_ARGS(mem_entry, curr_ts),
+
+ TP_STRUCT__entry(
+ __field(unsigned int, gpuaddr)
+ __field(unsigned int, size)
+ __field(int, type)
+ __field(unsigned int, drawctxt_id)
+ __field(unsigned int, curr_ts)
+ __field(unsigned int, free_ts)
+ ),
+
+ TP_fast_assign(
+ __entry->gpuaddr = mem_entry->memdesc.gpuaddr;
+ __entry->size = mem_entry->memdesc.size;
+ __entry->drawctxt_id = 1337;
+ __entry->type = mem_entry->memtype;
+ __entry->curr_ts = curr_ts;
+ __entry->free_ts = mem_entry->free_timestamp;
+ ),
+
+ TP_printk(
+ "gpuaddr=0x%08x size=%d type=%d ctx=%u curr_ts=0x%08x free_ts=0x%08x",
+ __entry->gpuaddr, __entry->size, __entry->type,
+ __entry->drawctxt_id, __entry->curr_ts, __entry->free_ts
+ )
+);
+
+DEFINE_EVENT(kgsl_mem_timestamp_template, kgsl_mem_timestamp_queue,
+ TP_PROTO(struct kgsl_mem_entry *mem_entry, unsigned int curr_ts),
+ TP_ARGS(mem_entry, curr_ts)
+);
+
+DEFINE_EVENT(kgsl_mem_timestamp_template, kgsl_mem_timestamp_free,
+ TP_PROTO(struct kgsl_mem_entry *mem_entry, unsigned int curr_ts),
+ TP_ARGS(mem_entry, curr_ts)
+);
+
+
#endif /* _KGSL_TRACE_H */
/* This part must be outside protection */