msm: kgsl: add per-process memory info to debugfs
Add a file for each process in debugfs named, kgsl/proc/<pid>/mem
which contains information about all memory allocations the process
has made.
Change-Id: Ice3f039d92cc1b1cdb5a6192808441ddfdf8abfb
Signed-off-by: Jeremy Gebben <jgebben@codeaurora.org>
Signed-off-by: Rajeev Kulkarni <krajeev@codeaurora.org>
diff --git a/drivers/gpu/msm/kgsl_debugfs.c b/drivers/gpu/msm/kgsl_debugfs.c
index 545d2b3..40ed7ca 100644
--- a/drivers/gpu/msm/kgsl_debugfs.c
+++ b/drivers/gpu/msm/kgsl_debugfs.c
@@ -16,6 +16,7 @@
#include "kgsl.h"
#include "kgsl_device.h"
+#include "kgsl_sharedmem.h"
/*default log levels is error for everything*/
#define KGSL_LOG_LEVEL_DEFAULT 3
@@ -23,6 +24,7 @@
struct dentry *kgsl_debugfs_dir;
static struct dentry *pm_d_debugfs;
+struct dentry *proc_d_debugfs;
static int pm_dump_set(void *data, u64 val)
{
@@ -146,9 +148,80 @@
}
+static const char * const memtype_strings[] = {
+ "gpumem",
+ "pmem",
+ "ashmem",
+ "usermap",
+ "ion",
+};
+
+static const char *memtype_str(int memtype)
+{
+ if (memtype < ARRAY_SIZE(memtype_strings))
+ return memtype_strings[memtype];
+ return "unknown";
+}
+
+static int process_mem_print(struct seq_file *s, void *unused)
+{
+ struct kgsl_mem_entry *entry;
+ struct rb_node *node;
+ struct kgsl_process_private *private = s->private;
+ char flags[3];
+ char usage[16];
+
+ spin_lock(&private->mem_lock);
+ seq_printf(s, "%8s %8s %5s %10s %16s %5s\n",
+ "gpuaddr", "size", "flags", "type", "usage", "sglen");
+ for (node = rb_first(&private->mem_rb); node; node = rb_next(node)) {
+ struct kgsl_memdesc *m;
+
+ entry = rb_entry(node, struct kgsl_mem_entry, node);
+ m = &entry->memdesc;
+
+ flags[0] = m->priv & KGSL_MEMFLAGS_GLOBAL ? 'g' : '-';
+ flags[1] = m->priv & KGSL_MEMFLAGS_GPUREADONLY ? 'r' : '-';
+ flags[2] = '\0';
+
+ kgsl_get_memory_usage(usage, sizeof(usage), m->priv);
+
+ seq_printf(s, "%08x %8d %5s %10s %16s %5d\n",
+ m->gpuaddr, m->size, flags,
+ memtype_str(entry->memtype), usage, m->sglen);
+ }
+ spin_unlock(&private->mem_lock);
+ return 0;
+}
+
+static int process_mem_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, process_mem_print, inode->i_private);
+}
+
+static const struct file_operations process_mem_fops = {
+ .open = process_mem_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+void
+kgsl_process_init_debugfs(struct kgsl_process_private *private)
+{
+ unsigned char name[16];
+
+ snprintf(name, sizeof(name), "%d", private->pid);
+
+ private->debug_root = debugfs_create_dir(name, proc_d_debugfs);
+ debugfs_create_file("mem", 0400, private->debug_root, private,
+ &process_mem_fops);
+}
+
void kgsl_core_debugfs_init(void)
{
kgsl_debugfs_dir = debugfs_create_dir("kgsl", 0);
+ proc_d_debugfs = debugfs_create_dir("proc", kgsl_debugfs_dir);
}
void kgsl_core_debugfs_close(void)