Update makefile and add license

Makefile

@@ -6,8 +6,8 @@ BINDIR=/usr/local/bin
 all: perflogger
 
 perflogger:
-	gcc $(SOURCES) -fpic -shared -DHOOK_DLSYM -o libperflogger.so
-	gcc $(SOURCES) -fpic -shared -DHOOK_DLSYM -m32 -o libperflogger32.so
+	gcc $(SOURCES) -fpic -shared -fvisibility=hidden -DHOOK_DLSYM -o libperflogger.so
+	gcc $(SOURCES) -fpic -shared -fvisibility=hidden -DHOOK_DLSYM -m32 -o libperflogger32.so
 
 install: all
 	install -m 0644 -D -T libperflogger.conf /etc/ld.so.conf.d/libperflogger.conf

src/glx_hooker.c

@@ -1,8 +1,27 @@
+/*
+This file is part of libperflogger.
+
+Copyright (c) 2019 Jussi Kuokkanen
+
+Libperflogger is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+Libperflogger is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with libperflogger.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
 #define _GNU_SOURCE
 
 #include "libperflogger.h"
 #include "symbol_resolver.h"
- 
+
 #include <dlfcn.h>
 #include <string.h>
 #include <stddef.h>
@@ -20,11 +39,11 @@ void* glXGetProcAddress(const unsigned char*);
 void* glXGetProcAddressARB(const unsigned char*);
 
 void *get_real_glx_function(const char *name) {
-	void *(*real_glXGetProcAddress)(const unsigned char*) = 
+	void *(*real_glXGetProcAddress)(const unsigned char*) =
 		get_real_function(RTLD_NEXT, "glXGetProcAddress");
 	void *(*real_glXGetProcAddressARB)(const unsigned char*) =
 		get_real_function(RTLD_NEXT, "glXGetProcAddressARB");
-	
+
 	void (*real_func)() = real_glXGetProcAddress((const unsigned char*) name);
 	if (real_func != NULL) {
 		return real_func;

src/glx_hooker.h

@@ -1,3 +1,22 @@
+/*
+This file is part of libperflogger.
+
+Copyright (c) 2019 Jussi Kuokkanen
+
+Libperflogger is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+Libperflogger is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with libperflogger.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
 #ifndef GLX_HOOKER_H_
 #define GLX_HOOKER_H_
 

src/libperflogger.c

@@ -1,3 +1,22 @@
+/*
+This file is part of libperflogger.
+
+Copyright (c) 2019 Jussi Kuokkanen
+
+Libperflogger is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+Libperflogger is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with libperflogger.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <dlfcn.h>
@@ -23,7 +42,7 @@ unsigned short frames = 0;
 static uint64_t tot_frames = 0;
 uint64_t start_time = 0;
 uint64_t prev_utime = 0;
-uint64_t avg_frametime = 0; 
+uint64_t avg_frametime = 0;
 
 FILE *logfile;
 
@@ -69,7 +88,7 @@ void on_terminate() {
 		// Optional launch of gnuplot with the logfile
 		if (getenv(env_launch_plot) != NULL && atoi(getenv(env_launch_plot)) == 1) {
 			printf("Launch plot\n");
-			char* args[] = { "/bin/vlc"};	
+			char* args[] = { "/bin/vlc"};
 			pid_t launch_pid;
 			extern char **environ;
 			//posix_spawnp(&launch_pid, "vlc", NULL, NULL, args, environ);
@@ -81,10 +100,10 @@ void on_terminate() {
 				sleep(5);
 				exit(EXIT_SUCCESS);*/
 			}
-			
+
 			//wait(NULL);
 		}
-			
+
 
 		/*char plot_launch_cmd[512];
 		sprintf(plot_launch_cmd, "gnuplot -p -e 'set ylabel \"%s\";set xlabel \"frames\";set yrange [0:100]; plot \"%s\" with lines' ", frametime_unit, log_location);
@@ -120,7 +139,7 @@ void fps_logger() {
 	//fclose(testf);
 
 
-	prev_utime = cur_utime; 
+	prev_utime = cur_utime;
 
 	// Show the fps in stdout based on an env variable
         if (cur_time > prev_time && use_stdout) {
@@ -129,7 +148,7 @@ void fps_logger() {
 		 avg_frametime = 0;
         	 // Print the fps to a file
 		 //printf("%s\n", lod_dir);
-		 
+
 		 frames = 0;
 	}
 }
@@ -142,7 +161,7 @@ void init() {
 	// Get the startup time
 	start_time = time(NULL);
 	struct tm tm = *localtime((const long int*) &start_time);
-	
+
 	struct timeval tv;
 	gettimeofday(&tv, NULL);
 	prev_utime = (tv.tv_sec * 1000000) + tv.tv_usec;
@@ -162,24 +181,24 @@ void init() {
 	// Set the signal handler
 	struct sigaction action;
 	memset(&action, 0, sizeof(struct sigaction));
-	action.sa_handler = on_terminate; 	
+	action.sa_handler = on_terminate;
 	sigaction(SIGTERM, &action, NULL);
 	sigaction(SIGINT, &action, NULL);
 
 	//fprintf(stdout, "\n\nPerflogger starting...\n\n");
 	log_dir = getenv(env_log_dir);
 
 	pid = getpid();
-	
+
 	//Get the process name
 	char proc_path[256] = "/proc/";
 	sprintf(proc_path, "/proc/%d/comm", pid);
 
 	FILE *proc_file = fopen(proc_path, "r");
 	char prog_name_tmp[128];
-	
-        fscanf(proc_file, "%s", prog_name_tmp); 
-	strcpy(prog_name, prog_name_tmp);	
+
+        fscanf(proc_file, "%s", prog_name_tmp);
+	strcpy(prog_name, prog_name_tmp);
 
 	//printf("%s\n", prog_name);
 
@@ -202,6 +221,3 @@ void init() {
 	       } else printf("Not logging to a file\n");
 	}
 }
-
-
-

src/libperflogger.h

@@ -1,3 +1,22 @@
+/*
+This file is part of libperflogger.
+
+Copyright (c) 2019 Jussi Kuokkanen
+
+Libperflogger is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+Libperflogger is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with libperflogger.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
 #ifndef LIBPERFLOGGER_H_
 #define LIBPERFLOGGER_H_
 #define PERFLOGGER_EXPORT __attribute__((__visibility__("default")))

src/symbol_resolver.c

@@ -1,3 +1,22 @@
+/*
+This file is part of libperflogger.
+
+Copyright (c) 2019 Jussi Kuokkanen
+
+Libperflogger is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+Libperflogger is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with libperflogger.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
 #define _GNU_SOURCE
 
 #include "symbol_resolver.h"

src/symbol_resolver.h

@@ -1 +1,25 @@
+/*
+This file is part of libperflogger.
+
+Copyright (c) 2019 Jussi Kuokkanen
+
+Libperflogger is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+Libperflogger is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with libperflogger.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#ifndef SYMBOL_RESOLVER_H_
+#define SYMBOL_RESOLVER_H_
+
 void *get_real_function(void *handle, const char *name);
+
+#endif

src/vulkan_hooker.c

@@ -1,3 +1,22 @@
+/*
+This file is part of libperflogger.
+
+Copyright (c) 2019 Jussi Kuokkanen
+
+Libperflogger is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+Libperflogger is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with libperflogger.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
 #define _GNU_SOURCE
 
 #include "libperflogger.h"
@@ -40,7 +59,7 @@ void *get_hooked_vk_function(const char *name) {
 
 PERFLOGGER_EXPORT
 void *vkQueueSubmit(void *queue, void  *submitCount, void *submits, void *fence) {
-	void *(*real_func)(void*, void*, void*, void*) = 
+	void *(*real_func)(void*, void*, void*, void*) =
 		get_real_vk_function(__func__);
 	fps_logger();
 	return real_func(queue, submitCount, submits, fence);
@@ -49,7 +68,7 @@ void *vkQueueSubmit(void *queue, void  *submitCount, void *submits, void *fence)
 PERFLOGGER_EXPORT
 void *vkGetInstanceProcAddr(void *instance, void *pName) {
 	void *(*real_func)(void*, void*) = get_real_vk_function(__func__);
-	
+
 	void *hooked_func = get_hooked_vk_function((const char*) pName);
 	if (hooked_func != NULL) {
 		return hooked_func;

src/vulkan_hooker.h

@@ -1,3 +1,22 @@
+/*
+This file is part of libperflogger.
+
+Copyright (c) 2019 Jussi Kuokkanen
+
+Libperflogger is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+Libperflogger is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with libperflogger.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
 #ifndef VULKAN_HOOKER_H_
 #define VULKAN_HOOKER_H_