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/**
* Copyright (C) ARM Limited 2012-2014. 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 as
* published by the Free Software Foundation.
*
*/
#define NEWLINE_CANARY \
/* Unix */ \
"1\n" \
/* Windows */ \
"2\r\n" \
/* Mac OS */ \
"3\r" \
/* RISC OS */ \
"4\n\r" \
/* Add another character so the length isn't 0x0a bytes */ \
"5"
#ifdef MALI_SUPPORT
#include "gator_events_mali_common.h"
#endif
static void marshal_summary(long long timestamp, long long uptime, long long monotonic_delta, const char * uname)
{
unsigned long flags;
int cpu = 0;
local_irq_save(flags);
gator_buffer_write_packed_int(cpu, SUMMARY_BUF, MESSAGE_SUMMARY);
gator_buffer_write_string(cpu, SUMMARY_BUF, NEWLINE_CANARY);
gator_buffer_write_packed_int64(cpu, SUMMARY_BUF, timestamp);
gator_buffer_write_packed_int64(cpu, SUMMARY_BUF, uptime);
gator_buffer_write_packed_int64(cpu, SUMMARY_BUF, monotonic_delta);
gator_buffer_write_string(cpu, SUMMARY_BUF, "uname");
gator_buffer_write_string(cpu, SUMMARY_BUF, uname);
#if GATOR_IKS_SUPPORT
gator_buffer_write_string(cpu, SUMMARY_BUF, "iks");
gator_buffer_write_string(cpu, SUMMARY_BUF, "");
#endif
// Let Streamline know which GPU is used so that it can label the GPU Activity appropriately. This is a temporary fix, to be improved in a future release.
#ifdef MALI_SUPPORT
gator_buffer_write_string(cpu, SUMMARY_BUF, "mali_type");
#if (MALI_SUPPORT == MALI_4xx)
gator_buffer_write_string(cpu, SUMMARY_BUF, "4xx");
#elif (MALI_SUPPORT == MALI_T6xx)
gator_buffer_write_string(cpu, SUMMARY_BUF, "6xx");
#else
gator_buffer_write_string(cpu, SUMMARY_BUF, "unknown");
#endif
#endif
gator_buffer_write_string(cpu, SUMMARY_BUF, "");
// Commit the buffer now so it can be one of the first frames read by Streamline
local_irq_restore(flags);
gator_commit_buffer(cpu, SUMMARY_BUF, gator_get_time());
}
static bool marshal_cookie_header(const char *text)
{
int cpu = get_physical_cpu();
return buffer_check_space(cpu, NAME_BUF, strlen(text) + 3 * MAXSIZE_PACK32);
}
static void marshal_cookie(int cookie, const char *text)
{
int cpu = get_physical_cpu();
// buffer_check_space already called by marshal_cookie_header
gator_buffer_write_packed_int(cpu, NAME_BUF, MESSAGE_COOKIE);
gator_buffer_write_packed_int(cpu, NAME_BUF, cookie);
gator_buffer_write_string(cpu, NAME_BUF, text);
buffer_check(cpu, NAME_BUF, gator_get_time());
}
static void marshal_thread_name(int pid, char *name)
{
unsigned long flags, cpu;
u64 time;
local_irq_save(flags);
cpu = get_physical_cpu();
time = gator_get_time();
if (buffer_check_space(cpu, NAME_BUF, TASK_COMM_LEN + 3 * MAXSIZE_PACK32 + MAXSIZE_PACK64)) {
gator_buffer_write_packed_int(cpu, NAME_BUF, MESSAGE_THREAD_NAME);
gator_buffer_write_packed_int64(cpu, NAME_BUF, time);
gator_buffer_write_packed_int(cpu, NAME_BUF, pid);
gator_buffer_write_string(cpu, NAME_BUF, name);
}
local_irq_restore(flags);
buffer_check(cpu, NAME_BUF, time);
}
static void marshal_link(int cookie, int tgid, int pid)
{
unsigned long cpu = get_physical_cpu(), flags;
u64 time;
local_irq_save(flags);
time = gator_get_time();
if (buffer_check_space(cpu, NAME_BUF, MAXSIZE_PACK64 + 5 * MAXSIZE_PACK32)) {
gator_buffer_write_packed_int(cpu, NAME_BUF, MESSAGE_LINK);
gator_buffer_write_packed_int64(cpu, NAME_BUF, time);
gator_buffer_write_packed_int(cpu, NAME_BUF, cookie);
gator_buffer_write_packed_int(cpu, NAME_BUF, tgid);
gator_buffer_write_packed_int(cpu, NAME_BUF, pid);
}
local_irq_restore(flags);
// Check and commit; commit is set to occur once buffer is 3/4 full
buffer_check(cpu, NAME_BUF, time);
}
static bool marshal_backtrace_header(int exec_cookie, int tgid, int pid, u64 time)
{
int cpu = get_physical_cpu();
if (!buffer_check_space(cpu, BACKTRACE_BUF, MAXSIZE_PACK64 + 5 * MAXSIZE_PACK32 + gator_backtrace_depth * 2 * MAXSIZE_PACK32)) {
// Check and commit; commit is set to occur once buffer is 3/4 full
buffer_check(cpu, BACKTRACE_BUF, time);
return false;
}
gator_buffer_write_packed_int64(cpu, BACKTRACE_BUF, time);
gator_buffer_write_packed_int(cpu, BACKTRACE_BUF, exec_cookie);
gator_buffer_write_packed_int(cpu, BACKTRACE_BUF, tgid);
gator_buffer_write_packed_int(cpu, BACKTRACE_BUF, pid);
return true;
}
static void marshal_backtrace(unsigned long address, int cookie, int in_kernel)
{
int cpu = get_physical_cpu();
if (cookie == 0 && !in_kernel) {
cookie = UNRESOLVED_COOKIE;
}
gator_buffer_write_packed_int(cpu, BACKTRACE_BUF, cookie);
gator_buffer_write_packed_int64(cpu, BACKTRACE_BUF, address);
}
static void marshal_backtrace_footer(u64 time)
{
int cpu = get_physical_cpu();
gator_buffer_write_packed_int(cpu, BACKTRACE_BUF, MESSAGE_END_BACKTRACE);
// Check and commit; commit is set to occur once buffer is 3/4 full
buffer_check(cpu, BACKTRACE_BUF, time);
}
static bool marshal_event_header(u64 time)
{
unsigned long flags, cpu = get_physical_cpu();
bool retval = false;
local_irq_save(flags);
if (buffer_check_space(cpu, BLOCK_COUNTER_BUF, MAXSIZE_PACK32 + MAXSIZE_PACK64)) {
gator_buffer_write_packed_int(cpu, BLOCK_COUNTER_BUF, 0); // key of zero indicates a timestamp
gator_buffer_write_packed_int64(cpu, BLOCK_COUNTER_BUF, time);
retval = true;
}
local_irq_restore(flags);
return retval;
}
static void marshal_event(int len, int *buffer)
{
unsigned long i, flags, cpu = get_physical_cpu();
if (len <= 0)
return;
// length must be even since all data is a (key, value) pair
if (len & 0x1) {
pr_err("gator: invalid counter data detected and discarded");
return;
}
// events must be written in key,value pairs
local_irq_save(flags);
for (i = 0; i < len; i += 2) {
if (!buffer_check_space(cpu, BLOCK_COUNTER_BUF, 2 * MAXSIZE_PACK32)) {
break;
}
gator_buffer_write_packed_int(cpu, BLOCK_COUNTER_BUF, buffer[i]);
gator_buffer_write_packed_int(cpu, BLOCK_COUNTER_BUF, buffer[i + 1]);
}
local_irq_restore(flags);
}
static void marshal_event64(int len, long long *buffer64)
{
unsigned long i, flags, cpu = get_physical_cpu();
if (len <= 0)
return;
// length must be even since all data is a (key, value) pair
if (len & 0x1) {
pr_err("gator: invalid counter data detected and discarded");
return;
}
// events must be written in key,value pairs
local_irq_save(flags);
for (i = 0; i < len; i += 2) {
if (!buffer_check_space(cpu, BLOCK_COUNTER_BUF, 2 * MAXSIZE_PACK64)) {
break;
}
gator_buffer_write_packed_int64(cpu, BLOCK_COUNTER_BUF, buffer64[i]);
gator_buffer_write_packed_int64(cpu, BLOCK_COUNTER_BUF, buffer64[i + 1]);
}
local_irq_restore(flags);
}
#if GATOR_CPU_FREQ_SUPPORT
static void marshal_event_single(int core, int key, int value)
{
unsigned long flags, cpu;
u64 time;
local_irq_save(flags);
cpu = get_physical_cpu();
time = gator_get_time();
if (buffer_check_space(cpu, COUNTER_BUF, MAXSIZE_PACK64 + 3 * MAXSIZE_PACK32)) {
gator_buffer_write_packed_int64(cpu, COUNTER_BUF, time);
gator_buffer_write_packed_int(cpu, COUNTER_BUF, core);
gator_buffer_write_packed_int(cpu, COUNTER_BUF, key);
gator_buffer_write_packed_int(cpu, COUNTER_BUF, value);
}
local_irq_restore(flags);
// Check and commit; commit is set to occur once buffer is 3/4 full
buffer_check(cpu, COUNTER_BUF, time);
}
#endif
static void marshal_sched_gpu_start(int unit, int core, int tgid, int pid)
{
unsigned long cpu = get_physical_cpu(), flags;
u64 time;
if (!per_cpu(gator_buffer, cpu)[GPU_TRACE_BUF])
return;
local_irq_save(flags);
time = gator_get_time();
if (buffer_check_space(cpu, GPU_TRACE_BUF, MAXSIZE_PACK64 + 5 * MAXSIZE_PACK32)) {
gator_buffer_write_packed_int(cpu, GPU_TRACE_BUF, MESSAGE_GPU_START);
gator_buffer_write_packed_int64(cpu, GPU_TRACE_BUF, time);
gator_buffer_write_packed_int(cpu, GPU_TRACE_BUF, unit);
gator_buffer_write_packed_int(cpu, GPU_TRACE_BUF, core);
gator_buffer_write_packed_int(cpu, GPU_TRACE_BUF, tgid);
gator_buffer_write_packed_int(cpu, GPU_TRACE_BUF, pid);
}
local_irq_restore(flags);
// Check and commit; commit is set to occur once buffer is 3/4 full
buffer_check(cpu, GPU_TRACE_BUF, time);
}
static void marshal_sched_gpu_stop(int unit, int core)
{
unsigned long cpu = get_physical_cpu(), flags;
u64 time;
if (!per_cpu(gator_buffer, cpu)[GPU_TRACE_BUF])
return;
local_irq_save(flags);
time = gator_get_time();
if (buffer_check_space(cpu, GPU_TRACE_BUF, MAXSIZE_PACK64 + 3 * MAXSIZE_PACK32)) {
gator_buffer_write_packed_int(cpu, GPU_TRACE_BUF, MESSAGE_GPU_STOP);
gator_buffer_write_packed_int64(cpu, GPU_TRACE_BUF, time);
gator_buffer_write_packed_int(cpu, GPU_TRACE_BUF, unit);
gator_buffer_write_packed_int(cpu, GPU_TRACE_BUF, core);
}
local_irq_restore(flags);
// Check and commit; commit is set to occur once buffer is 3/4 full
buffer_check(cpu, GPU_TRACE_BUF, time);
}
static void marshal_sched_trace_start(int tgid, int pid, int cookie)
{
unsigned long cpu = get_physical_cpu(), flags;
u64 time;
if (!per_cpu(gator_buffer, cpu)[SCHED_TRACE_BUF])
return;
local_irq_save(flags);
time = gator_get_time();
if (buffer_check_space(cpu, SCHED_TRACE_BUF, MAXSIZE_PACK64 + 5 * MAXSIZE_PACK32)) {
gator_buffer_write_packed_int(cpu, SCHED_TRACE_BUF, MESSAGE_SCHED_START);
gator_buffer_write_packed_int64(cpu, SCHED_TRACE_BUF, time);
gator_buffer_write_packed_int(cpu, SCHED_TRACE_BUF, tgid);
gator_buffer_write_packed_int(cpu, SCHED_TRACE_BUF, pid);
gator_buffer_write_packed_int(cpu, SCHED_TRACE_BUF, cookie);
}
local_irq_restore(flags);
// Check and commit; commit is set to occur once buffer is 3/4 full
buffer_check(cpu, SCHED_TRACE_BUF, time);
}
static void marshal_sched_trace_switch(int tgid, int pid, int cookie, int state)
{
unsigned long cpu = get_physical_cpu(), flags;
u64 time;
if (!per_cpu(gator_buffer, cpu)[SCHED_TRACE_BUF])
return;
local_irq_save(flags);
time = gator_get_time();
if (buffer_check_space(cpu, SCHED_TRACE_BUF, MAXSIZE_PACK64 + 5 * MAXSIZE_PACK32)) {
gator_buffer_write_packed_int(cpu, SCHED_TRACE_BUF, MESSAGE_SCHED_SWITCH);
gator_buffer_write_packed_int64(cpu, SCHED_TRACE_BUF, time);
gator_buffer_write_packed_int(cpu, SCHED_TRACE_BUF, tgid);
gator_buffer_write_packed_int(cpu, SCHED_TRACE_BUF, pid);
gator_buffer_write_packed_int(cpu, SCHED_TRACE_BUF, cookie);
gator_buffer_write_packed_int(cpu, SCHED_TRACE_BUF, state);
}
local_irq_restore(flags);
// Check and commit; commit is set to occur once buffer is 3/4 full
buffer_check(cpu, SCHED_TRACE_BUF, time);
}
static void marshal_sched_trace_exit(int tgid, int pid)
{
unsigned long cpu = get_physical_cpu(), flags;
u64 time;
if (!per_cpu(gator_buffer, cpu)[SCHED_TRACE_BUF])
return;
local_irq_save(flags);
time = gator_get_time();
if (buffer_check_space(cpu, SCHED_TRACE_BUF, MAXSIZE_PACK64 + 2 * MAXSIZE_PACK32)) {
gator_buffer_write_packed_int(cpu, SCHED_TRACE_BUF, MESSAGE_SCHED_EXIT);
gator_buffer_write_packed_int64(cpu, SCHED_TRACE_BUF, time);
gator_buffer_write_packed_int(cpu, SCHED_TRACE_BUF, pid);
}
local_irq_restore(flags);
// Check and commit; commit is set to occur once buffer is 3/4 full
buffer_check(cpu, SCHED_TRACE_BUF, time);
}
#if GATOR_CPU_FREQ_SUPPORT
static void marshal_idle(int core, int state)
{
unsigned long flags, cpu;
u64 time;
local_irq_save(flags);
cpu = get_physical_cpu();
time = gator_get_time();
if (buffer_check_space(cpu, IDLE_BUF, MAXSIZE_PACK64 + 2 * MAXSIZE_PACK32)) {
gator_buffer_write_packed_int(cpu, IDLE_BUF, state);
gator_buffer_write_packed_int64(cpu, IDLE_BUF, time);
gator_buffer_write_packed_int(cpu, IDLE_BUF, core);
}
local_irq_restore(flags);
// Check and commit; commit is set to occur once buffer is 3/4 full
buffer_check(cpu, IDLE_BUF, time);
}
#endif
#if defined(__arm__) || defined(__aarch64__)
static void marshal_core_name(const int core, const int cpuid, const char *name)
{
int cpu = get_physical_cpu();
unsigned long flags;
local_irq_save(flags);
if (buffer_check_space(cpu, SUMMARY_BUF, MAXSIZE_PACK32 + MAXSIZE_CORE_NAME)) {
gator_buffer_write_packed_int(cpu, SUMMARY_BUF, MESSAGE_CORE_NAME);
gator_buffer_write_packed_int(cpu, SUMMARY_BUF, core);
gator_buffer_write_packed_int(cpu, SUMMARY_BUF, cpuid);
gator_buffer_write_string(cpu, SUMMARY_BUF, name);
}
// Commit core names now so that they can show up in live
local_irq_restore(flags);
gator_commit_buffer(cpu, SUMMARY_BUF, gator_get_time());
}
#endif
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