339 lines
7.1 KiB
C++
339 lines
7.1 KiB
C++
#include "types.h"
|
|
|
|
#if FEAT_HAS_NIXPROF
|
|
#include "cfg/cfg.h"
|
|
|
|
#include <cinttypes>
|
|
|
|
#include <cstdio>
|
|
#include <cstdlib>
|
|
#include <pthread.h>
|
|
#include <unistd.h>
|
|
#include <sys/types.h>
|
|
#include <memory.h>
|
|
#include <csignal>
|
|
//#include <sys/ucontext.h>
|
|
//#include <execinfo.h>
|
|
#include <sys/syscall.h>
|
|
#include <sys/stat.h>
|
|
|
|
#include <poll.h>
|
|
#include <termios.h>
|
|
//#include <curses.h>
|
|
#include <fcntl.h>
|
|
#include <semaphore.h>
|
|
#include <cstdarg>
|
|
#include <sys/param.h>
|
|
#include <sys/mman.h>
|
|
#include <sys/time.h>
|
|
#include "hw/sh4/dyna/blockmanager.h"
|
|
#include <set>
|
|
#include "deps/libelf/elf.h"
|
|
#include "profiler/profiler.h"
|
|
|
|
#include "linux/context.h"
|
|
|
|
/**
|
|
@file CallStack_Android.h
|
|
@brief Getting the callstack under Android
|
|
@author Peter Holtwick
|
|
*/
|
|
#include <unwind.h>
|
|
#include <cstring>
|
|
|
|
static int tick_count=0;
|
|
static pthread_t proft;
|
|
static pthread_t thread[2];
|
|
static void* prof_address[2];
|
|
static u32 prof_wait;
|
|
|
|
static u8* syms_ptr;
|
|
static int syms_len;
|
|
|
|
void sample_Syms(u8* data,u32 len)
|
|
{
|
|
syms_ptr=data;
|
|
syms_len=len;
|
|
}
|
|
|
|
void prof_handler (int sn, siginfo_t * si, void *ctxr)
|
|
{
|
|
rei_host_context_t ctx;
|
|
context_from_segfault(&ctx, ctxr);
|
|
|
|
int thd=-1;
|
|
if (pthread_self()==thread[0]) thd=0;
|
|
else if (pthread_self()==thread[1]) thd=1;
|
|
else return;
|
|
|
|
prof_address[thd] = (void*)ctx.pc;
|
|
}
|
|
|
|
|
|
|
|
void install_prof_handler(int id)
|
|
{
|
|
struct sigaction act, segv_oact;
|
|
memset(&act, 0, sizeof(act));
|
|
act.sa_sigaction = prof_handler;
|
|
sigemptyset(&act.sa_mask);
|
|
act.sa_flags = SA_SIGINFO | SA_RESTART;
|
|
sigaction(SIGPROF, &act, &segv_oact);
|
|
|
|
thread[id]=pthread_self();
|
|
}
|
|
|
|
static void prof_head(FILE* out, const char* type, const char* name)
|
|
{
|
|
fprintf(out,"==xx==xx==\n%s:%s\n",type,name);
|
|
}
|
|
|
|
static void prof_head(FILE* out, const char* type, int d)
|
|
{
|
|
fprintf(out,"==xx==xx==\n%s:%d\n",type,d);
|
|
}
|
|
|
|
static void elf_syms(FILE* out,const char* libfile)
|
|
{
|
|
struct stat statbuf;
|
|
|
|
printf("LIBFILE \"%s\"\n", libfile);
|
|
int fd = open(libfile, O_RDONLY, 0);
|
|
|
|
if (!fd)
|
|
{
|
|
printf("Failed to open file \"%s\"\n", libfile);
|
|
return;
|
|
}
|
|
if (fstat(fd, &statbuf) < 0)
|
|
{
|
|
printf("Failed to fstat file \"%s\"\n", libfile);
|
|
return;
|
|
}
|
|
|
|
{
|
|
void* data = mmap(0, statbuf.st_size, PROT_READ, MAP_SHARED, fd, 0);
|
|
close(fd);
|
|
|
|
if (data == (void*)-1)
|
|
{
|
|
printf("Failed to mmap file \"%s\"\n", libfile);
|
|
return;
|
|
}
|
|
|
|
//printf("MMap: %08p, %08X\n",data,statbuf.st_size);
|
|
|
|
int dynsym=-1;
|
|
int dynstr=-1;
|
|
int strtab=-1;
|
|
int symtab=-1;
|
|
|
|
if (elf_checkFile(data)>=0)
|
|
{
|
|
int scnt=elf_getNumSections(data);
|
|
|
|
for (int si=0;si<scnt;si++)
|
|
{
|
|
uint32_t section_type = elf_getSectionType(data, si);
|
|
uint64_t section_link = elf_getSectionLink(data, si);
|
|
switch (section_type) {
|
|
case SHT_DYNSYM:
|
|
fprintf(stderr, "DYNSYM");
|
|
dynsym = si;
|
|
if (section_link < scnt)
|
|
dynstr = section_link;
|
|
break;
|
|
case SHT_SYMTAB:
|
|
fprintf(stderr, "SYMTAB");
|
|
symtab = si;
|
|
if (section_link < scnt)
|
|
strtab = section_link;
|
|
break;
|
|
default:
|
|
break;;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
printf("Invalid elf file\n");
|
|
}
|
|
|
|
// Use SHT_SYMTAB if available insteaf of SHT_DYNSYM
|
|
// (there is more info here):
|
|
if (symtab >= 0 && strtab >= 0)
|
|
{
|
|
dynsym = symtab;
|
|
dynstr = strtab;
|
|
}
|
|
|
|
if (dynsym >= 0)
|
|
{
|
|
prof_head(out,"libsym",libfile);
|
|
// printf("Found dymsym %d, and dynstr %d!\n",dynsym,dynstr);
|
|
elf_symbol* sym=(elf_symbol*)elf_getSection(data,dynsym);
|
|
elf64_symbol* sym64 = (elf64_symbol*) sym;
|
|
|
|
bool elf32 = ((struct Elf32_Header*)data)->e_ident[EI_CLASS] == ELFCLASS32;
|
|
size_t symbol_size = elf32 ? sizeof(elf_symbol) : sizeof(elf64_symbol);
|
|
int symcnt = elf_getSectionSize(data,dynsym) / symbol_size;
|
|
|
|
for (int i=0; i < symcnt; i++)
|
|
{
|
|
uint64_t st_value = elf32 ? sym[i].st_value : sym64[i].st_value;
|
|
uint32_t st_name = elf32 ? sym[i].st_name : sym64[i].st_name;
|
|
uint16_t st_shndx = elf32 ? sym[i].st_shndx : sym64[i].st_shndx;
|
|
uint16_t st_type = (elf32 ? sym[i].st_info : sym64[i].st_info) & 0xf;
|
|
uint64_t st_size = elf32 ? sym[i].st_size : sym64[i].st_size;
|
|
if (st_type == STT_FUNC && st_value && st_name && st_shndx)
|
|
{
|
|
char* name=(char*)elf_getSection(data,dynstr);// sym[i].st_shndx
|
|
// printf("Symbol %d: %s, %08" PRIx64 ", % " PRIi64 " bytes\n",
|
|
// i, name + st_name, st_value, st_size);
|
|
//PRIx64 & friends not in android ndk (yet?)
|
|
fprintf(out,"%08x %d %s\n", (int)st_value, (int)st_size, name + st_name);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
printf("No dynsym\n");
|
|
}
|
|
|
|
munmap(data,statbuf.st_size);
|
|
}
|
|
}
|
|
|
|
static volatile bool prof_run;
|
|
|
|
// This is not used:
|
|
static int str_ends_with(const char * str, const char * suffix)
|
|
{
|
|
if (str == NULL || suffix == NULL)
|
|
return 0;
|
|
|
|
size_t str_len = strlen(str);
|
|
size_t suffix_len = strlen(suffix);
|
|
|
|
if (suffix_len > str_len)
|
|
return 0;
|
|
|
|
return 0 == strncmp(str + str_len - suffix_len, suffix, suffix_len);
|
|
}
|
|
|
|
void sh4_jitsym(FILE* out);
|
|
|
|
static void* profiler_main(void *ptr)
|
|
{
|
|
FILE* prof_out;
|
|
char line[512];
|
|
|
|
sprintf(line, "/%d.reprof", tick_count);
|
|
|
|
string logfile=get_writable_data_path(line);
|
|
|
|
|
|
printf("Profiler thread logging to -> %s\n", logfile.c_str());
|
|
|
|
prof_out = fopen(logfile.c_str(), "wb");
|
|
if (!prof_out)
|
|
{
|
|
printf("Failed to open profiler file\n");
|
|
return 0;
|
|
}
|
|
|
|
set<string> libs;
|
|
|
|
prof_head(prof_out, "vaddr", "");
|
|
FILE* maps = fopen("/proc/self/maps", "r");
|
|
while (!feof(maps))
|
|
{
|
|
fgets(line, 512, maps);
|
|
fputs(line, prof_out);
|
|
|
|
if (strstr(line, ".so"))
|
|
{
|
|
char file[512];
|
|
file[0] = 0;
|
|
sscanf(line, "%*x-%*x %*s %*x %*x:%*x %*d %s\n", file);
|
|
if (strlen(file))
|
|
libs.insert(file);
|
|
}
|
|
}
|
|
|
|
//Write map file
|
|
prof_head(prof_out, ".map", "");
|
|
fwrite(syms_ptr, 1, syms_len, prof_out);
|
|
|
|
//write exports from .so's
|
|
for (set<string>::iterator it = libs.begin(); it != libs.end(); it++)
|
|
{
|
|
elf_syms(prof_out, it->c_str());
|
|
}
|
|
|
|
//Write shrec syms file !
|
|
prof_head(prof_out, "jitsym", "SH4");
|
|
|
|
#if FEAT_SHREC != DYNAREC_NONE
|
|
sh4_jitsym(prof_out);
|
|
#endif
|
|
|
|
//Write arm7rec syms file ! -> to do
|
|
//prof_head(prof_out,"jitsym","ARM7");
|
|
|
|
prof_head(prof_out, "samples", prof_wait);
|
|
|
|
do
|
|
{
|
|
tick_count++;
|
|
// printf("Sending SIGPROF %08X %08X\n",thread[0],thread[1]);
|
|
for (int i = 0; i < 2; i++) pthread_kill(thread[i], SIGPROF);
|
|
// printf("Sent SIGPROF\n");
|
|
usleep(prof_wait);
|
|
// fwrite(&prof_address[0],1,sizeof(prof_address[0])*2,prof_out);
|
|
fprintf(prof_out, "%p %p\n", prof_address[0], prof_address[1]);
|
|
|
|
if (!(tick_count % 10000))
|
|
{
|
|
printf("Profiler: %d ticks, flushing ..\n", tick_count);
|
|
fflush(prof_out);
|
|
}
|
|
} while (prof_run);
|
|
|
|
fclose(maps);
|
|
fclose(prof_out);
|
|
|
|
return 0;
|
|
}
|
|
|
|
bool sample_Switch(int freq)
|
|
{
|
|
if (prof_run) {
|
|
sample_Stop();
|
|
} else {
|
|
sample_Start(freq);
|
|
}
|
|
return prof_run;
|
|
}
|
|
|
|
void sample_Start(int freq)
|
|
{
|
|
if (prof_run)
|
|
return;
|
|
prof_wait = 1000000 / freq;
|
|
printf("sampling profiler: starting %d Hz %d wait\n", freq, prof_wait);
|
|
prof_run = true;
|
|
pthread_create(&proft, NULL, profiler_main, 0);
|
|
}
|
|
|
|
void sample_Stop()
|
|
{
|
|
if (prof_run)
|
|
{
|
|
prof_run = false;
|
|
pthread_join(proft, NULL);
|
|
}
|
|
printf("sampling profiler: stopped\n");
|
|
}
|
|
#endif
|