From patchwork Mon Feb 14 21:04:28 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Lezcano X-Patchwork-Id: 542694 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EEB51C433F5 for ; Mon, 14 Feb 2022 21:05:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230169AbiBNVFe (ORCPT ); Mon, 14 Feb 2022 16:05:34 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:50954 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230163AbiBNVFe (ORCPT ); Mon, 14 Feb 2022 16:05:34 -0500 Received: from mail-wr1-x430.google.com (mail-wr1-x430.google.com [IPv6:2a00:1450:4864:20::430]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 85702107ABD for ; Mon, 14 Feb 2022 13:05:24 -0800 (PST) Received: by mail-wr1-x430.google.com with SMTP id d27so28864547wrc.6 for ; Mon, 14 Feb 2022 13:05:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=qIVAoOOg4NGP65RtAGV7Gtb1/X/Y7aAy4iVU/DdUPBU=; b=r8wVmwbLNueqyoFDegPHVU+s6/qCvzKJN6iPJF0RxzmnZOTk+J+YqItBeW9kaFocFY nxt7z0wt804flCyJk1Nw8sqFpgoKP4Uj8kHe0sYCUxcdWsx71s4I4d9Bm6G4fms8uRSK lzb9BmWLj4cyPfb+9OA/G7+zHYzAZ9CfJGaGhryv1U3BMUPWAK39yI+DNB1iyvduDF5o kZclsDlo7MEE02joGm+2FK6S9oOViWOAAXfVqfj53apelWbC+99DjyiQ4u8ZPIBmvGx2 ZPeigHfoENyikbg968mYQkjIsiyUHzMfUgYU+TOKXG+DmwsBrrT8VlDAAX3ij7xAyAnn sw0g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=qIVAoOOg4NGP65RtAGV7Gtb1/X/Y7aAy4iVU/DdUPBU=; b=Fq/zhZ0OMm+6MDpctY3ygKTZaFKGwprbN68SXJvyCCRWNs8Meb3qKN9j4JFCxda7y2 jE3AhP+HtY6JPvHxdGdYOjiP8TTyC5CvWN7zzTX0EZnbuHL9QvvsoMcOcDMh78bpt2li fsYI1oEQGfY114e5gAzzTEx7lJhP9mXsZ8ykwV0FnD32Mx96ZoygcYxWg+20+5cDt21M e4TiXLutY16wNeT+BoZKaf2fmZAUCMvHW1BNloNCt43JGDwRVkOmnBLMTaVZ7lPOIwH0 2vOS9iEdGZoa0Cx6rTSR2kfKjAwqdb4xro2qTED9nk7u5sZiDLc/IMhUXq+WcE7UvsbE uX3g== X-Gm-Message-State: AOAM533q1NYLZZq37TUrps7hKlDTNi//5EIVBcyNS4Q2gWAHZZvhJDBN holwb/17bXHWJyTWoj4jYLC/nQ== X-Google-Smtp-Source: ABdhPJwcooKXT0UZ8xb3Cxu/+n47P5wi7wvsn+txoFZ/XK2iLuwi0EhoGkszD+Ln38jIBQ234Z77zg== X-Received: by 2002:adf:eb10:: with SMTP id s16mr597293wrn.643.1644872722747; Mon, 14 Feb 2022 13:05:22 -0800 (PST) Received: from localhost.localdomain ([2a01:e34:ed2f:f020:758e:84ee:c9c7:9bfb]) by smtp.gmail.com with ESMTPSA id az7sm16137189wmb.14.2022.02.14.13.05.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Feb 2022 13:05:22 -0800 (PST) From: Daniel Lezcano To: daniel.lezcano@linaro.org, rafael@kernel.org Cc: srinivas.pandruvada@linux.intel.com, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, Amit Kucheria , Zhang Rui Subject: [RFC PATCH 2/4] tools/thermal: Add util library Date: Mon, 14 Feb 2022 22:04:28 +0100 Message-Id: <20220214210446.255780-2-daniel.lezcano@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220214210446.255780-1-daniel.lezcano@linaro.org> References: <20220214210446.255780-1-daniel.lezcano@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org The next changes will provide a couple of tools using some common functions provided by this library. It provides basic wrappers for: - mainloop - logging - timestamp Signed-off-by: Daniel Lezcano --- tools/thermal/lib/Build | 3 + tools/thermal/lib/Makefile | 158 ++++++++++++++++++ .../thermal/lib/libthermal_tools.pc.template | 12 ++ tools/thermal/lib/log.c | 77 +++++++++ tools/thermal/lib/log.h | 31 ++++ tools/thermal/lib/mainloop.c | 135 +++++++++++++++ tools/thermal/lib/mainloop.h | 14 ++ tools/thermal/lib/thermal-tools.h | 10 ++ tools/thermal/lib/uptimeofday.c | 40 +++++ tools/thermal/lib/uptimeofday.h | 12 ++ 10 files changed, 492 insertions(+) create mode 100644 tools/thermal/lib/Build create mode 100644 tools/thermal/lib/Makefile create mode 100644 tools/thermal/lib/libthermal_tools.pc.template create mode 100644 tools/thermal/lib/log.c create mode 100644 tools/thermal/lib/log.h create mode 100644 tools/thermal/lib/mainloop.c create mode 100644 tools/thermal/lib/mainloop.h create mode 100644 tools/thermal/lib/thermal-tools.h create mode 100644 tools/thermal/lib/uptimeofday.c create mode 100644 tools/thermal/lib/uptimeofday.h diff --git a/tools/thermal/lib/Build b/tools/thermal/lib/Build new file mode 100644 index 000000000000..06f22760a272 --- /dev/null +++ b/tools/thermal/lib/Build @@ -0,0 +1,3 @@ +libthermal_tools-y += mainloop.o +libthermal_tools-y += log.o +libthermal_tools-y += uptimeofday.o diff --git a/tools/thermal/lib/Makefile b/tools/thermal/lib/Makefile new file mode 100644 index 000000000000..bdf4659adfeb --- /dev/null +++ b/tools/thermal/lib/Makefile @@ -0,0 +1,158 @@ +# SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) +# Most of this file is copied from tools/lib/perf/Makefile + +LIBTHERMAL_TOOLS_VERSION = 0 +LIBTHERMAL_TOOLS_PATCHLEVEL = 0 +LIBTHERMAL_TOOLS_EXTRAVERSION = 1 + +MAKEFLAGS += --no-print-directory + +ifeq ($(srctree),) +srctree := $(patsubst %/,%,$(dir $(CURDIR))) +srctree := $(patsubst %/,%,$(dir $(srctree))) +srctree := $(patsubst %/,%,$(dir $(srctree))) +# $(info Determined 'srctree' to be $(srctree)) +endif + +INSTALL = install + +# Use DESTDIR for installing into a different root directory. +# This is useful for building a package. The program will be +# installed in this directory as if it was the root directory. +# Then the build tool can move it later. +DESTDIR ?= +DESTDIR_SQ = '$(subst ','\'',$(DESTDIR))' + +include $(srctree)/tools/scripts/Makefile.include +include $(srctree)/tools/scripts/Makefile.arch + +ifeq ($(LP64), 1) + libdir_relative = lib64 +else + libdir_relative = lib +endif + +prefix ?= +libdir = $(prefix)/$(libdir_relative) + +# Shell quotes +libdir_SQ = $(subst ','\'',$(libdir)) +libdir_relative_SQ = $(subst ','\'',$(libdir_relative)) + +ifeq ("$(origin V)", "command line") + VERBOSE = $(V) +endif +ifndef VERBOSE + VERBOSE = 0 +endif + +ifeq ($(VERBOSE),1) + Q = +else + Q = @ +endif + +# Set compile option CFLAGS +ifdef EXTRA_CFLAGS + CFLAGS := $(EXTRA_CFLAGS) +else + CFLAGS := -g -Wall +endif + +INCLUDES = \ +-I/usr/include/libnl3 \ +-I$(srctree)/tools/lib/thermal/include \ +-I$(srctree)/tools/lib/ \ +-I$(srctree)/tools/include \ +-I$(srctree)/tools/arch/$(SRCARCH)/include/ \ +-I$(srctree)/tools/arch/$(SRCARCH)/include/uapi \ +-I$(srctree)/tools/include/uapi + +# Append required CFLAGS +override CFLAGS += $(EXTRA_WARNINGS) +override CFLAGS += -Werror -Wall +override CFLAGS += -fPIC +override CFLAGS += $(INCLUDES) +override CFGLAS += -Wl,-L. +override CFGLAS += -Wl,-lthermal + +all: + +export srctree OUTPUT CC LD CFLAGS V +export DESTDIR DESTDIR_SQ + +include $(srctree)/tools/build/Makefile.include + +PATCHLEVEL = $(LIBTHERMAL_TOOLS_PATCHLEVEL) +EXTRAVERSION = $(LIBTHERMAL_TOOLS_EXTRAVERSION) +VERSION = $(LIBTHERMAL_TOOLS_VERSION).$(LIBTHERMAL_TOOLS_PATCHLEVEL).$(LIBTHERMAL_TOOLS_EXTRAVERSION) + +LIBTHERMAL_TOOLS_SO := $(OUTPUT)libthermal_tools.so.$(VERSION) +LIBTHERMAL_TOOLS_A := $(OUTPUT)libthermal_tools.a +LIBTHERMAL_TOOLS_IN := $(OUTPUT)libthermal_tools-in.o +LIBTHERMAL_TOOLS_PC := $(OUTPUT)libthermal_tools.pc + +LIBTHERMAL_TOOLS_ALL := $(LIBTHERMAL_TOOLS_A) $(OUTPUT)libthermal_tools.so* + +$(LIBTHERMAL_TOOLS_IN): FORCE + $(Q)$(MAKE) $(build)=libthermal_tools + +$(LIBTHERMAL_TOOLS_A): $(LIBTHERMAL_TOOLS_IN) + $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(LIBTHERMAL_TOOLS_IN) + +$(LIBTHERMAL_TOOLS_SO): $(LIBTHERMAL_TOOLS_IN) + $(QUIET_LINK)$(CC) --shared -Wl,-soname,libthermal_tools.so $^ -o $@ + @ln -sf $(@F) $(OUTPUT)libthermal_tools.so + @ln -sf $(@F) $(OUTPUT)libthermal_tools.so.$(LIBTHERMAL_TOOLS_VERSION) + + +libs: $(LIBTHERMAL_TOOLS_A) $(LIBTHERMAL_TOOLS_SO) $(LIBTHERMAL_TOOLS_PC) + +all: fixdep + $(Q)$(MAKE) libs + +clean: + $(call QUIET_CLEAN, libthermal_tools) $(RM) $(LIBTHERMAL_TOOLS_A) \ + *.o *~ *.a *.so *.so.$(VERSION) *.so.$(LIBTHERMAL_TOOLS_VERSION) .*.d .*.cmd LIBTHERMAL_TOOLS-CFLAGS $(LIBTHERMAL_TOOLS_PC) + +$(LIBTHERMAL_TOOLS_PC): + $(QUIET_GEN)sed -e "s|@PREFIX@|$(prefix)|" \ + -e "s|@LIBDIR@|$(libdir_SQ)|" \ + -e "s|@VERSION@|$(VERSION)|" \ + < libthermal_tools.pc.template > $@ + +define do_install_mkdir + if [ ! -d '$(DESTDIR_SQ)$1' ]; then \ + $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$1'; \ + fi +endef + +define do_install + if [ ! -d '$(DESTDIR_SQ)$2' ]; then \ + $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$2'; \ + fi; \ + $(INSTALL) $1 $(if $3,-m $3,) '$(DESTDIR_SQ)$2' +endef + +install_lib: libs + $(call QUIET_INSTALL, $(LIBTHERMAL_TOOLS_ALL)) \ + $(call do_install_mkdir,$(libdir_SQ)); \ + cp -fpR $(LIBTHERMAL_TOOLS_ALL) $(DESTDIR)$(libdir_SQ) + +install_headers: + $(call QUIET_INSTALL, headers) \ + $(call do_install,include/thermal.h,$(prefix)/include/thermal,644); \ + +install_pkgconfig: $(LIBTHERMAL_TOOLS_PC) + $(call QUIET_INSTALL, $(LIBTHERMAL_TOOLS_PC)) \ + $(call do_install,$(LIBTHERMAL_TOOLS_PC),$(libdir_SQ)/pkgconfig,644) + +install_doc: + $(Q)$(MAKE) -C Documentation install-man install-html install-examples + +#install: install_lib install_headers install_pkgconfig install_doc +install: install_lib install_headers install_pkgconfig + +FORCE: + +.PHONY: all install clean FORCE diff --git a/tools/thermal/lib/libthermal_tools.pc.template b/tools/thermal/lib/libthermal_tools.pc.template new file mode 100644 index 000000000000..6f3769731b59 --- /dev/null +++ b/tools/thermal/lib/libthermal_tools.pc.template @@ -0,0 +1,12 @@ +# SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) + +prefix=@PREFIX@ +libdir=@LIBDIR@ +includedir=${prefix}/include + +Name: libthermal +Description: thermal library +Requires: libnl-3.0 libnl-genl-3.0 +Version: @VERSION@ +Libs: -L${libdir} -lnl-genl-3 -lnl-3 +Cflags: -I${includedir} -I{include}/libnl3 diff --git a/tools/thermal/lib/log.c b/tools/thermal/lib/log.c new file mode 100644 index 000000000000..620df5b3220f --- /dev/null +++ b/tools/thermal/lib/log.c @@ -0,0 +1,77 @@ +// SPDX-License-Identifier: LGPL-2.1+ +// Copyright (C) 2022, Linaro Ltd - Daniel Lezcano +#include +#include +#include +#include +#include "log.h" + +static const char *__ident = "unknown"; +static int __options = 0; + +static const char *loglvl[] = { + [LOG_DEBUG] = "DEBUG", + [LOG_INFO] = "INFO", + [LOG_NOTICE] = "NOTICE", + [LOG_WARNING] = "WARN", + [LOG_ERR] = "ERROR", + [LOG_CRIT] = "CRITICAL", + [LOG_ALERT] = "ALERT", + [LOG_EMERG] = "EMERG", +}; + +int log_str2level(const char *lvl) +{ + int i; + + for (i = 0; i < sizeof(loglvl) / sizeof(loglvl[LOG_DEBUG]); i++) + if (!strcmp(lvl, loglvl[i])) + return i; + + return LOG_DEBUG; +} + +extern void logit(int level, const char *format, ...) +{ + va_list args; + + va_start(args, format); + + if (__options & TO_SYSLOG) + vsyslog(level, format, args); + + if (__options & TO_STDERR) + vfprintf(stderr, format, args); + + if (__options & TO_STDOUT) + vfprintf(stdout, format, args); + + va_end(args); +} + +int log_init(int level, const char *ident, int options) +{ + if (!options) + return -1; + + if (level > LOG_DEBUG) + return -1; + + if (!ident) + return -1; + + __ident = ident; + __options = options; + + if (options & TO_SYSLOG) { + openlog(__ident, options | LOG_NDELAY, LOG_USER); + setlogmask(LOG_UPTO(level)); + } + + return 0; +} + +void log_exit(void) +{ + closelog(); +} diff --git a/tools/thermal/lib/log.h b/tools/thermal/lib/log.h new file mode 100644 index 000000000000..9ee945e0af57 --- /dev/null +++ b/tools/thermal/lib/log.h @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: LGPL-2.1+ */ +/* Copyright (C) 2022, Linaro Ltd - Daniel Lezcano */ +#ifndef __THERMAL_TOOLS_LOG_H +#define __THERMAL_TOOLS_LOG_H + +#include + +#ifndef __maybe_unused +#define __maybe_unused __attribute__((__unused__)) +#endif + +#define TO_SYSLOG 0x1 +#define TO_STDOUT 0x2 +#define TO_STDERR 0x4 + +extern void logit(int level, const char *format, ...); + +#define DEBUG(fmt, ...) logit(LOG_DEBUG, "%s(%d): " fmt, __FUNCTION__, __LINE__, ##__VA_ARGS__) +#define INFO(fmt, ...) logit(LOG_INFO, fmt, ##__VA_ARGS__) +#define NOTICE(fmt, ...) logit(LOG_NOTICE, fmt, ##__VA_ARGS__) +#define WARN(fmt, ...) logit(LOG_WARNING, fmt, ##__VA_ARGS__) +#define ERROR(fmt, ...) logit(LOG_ERR, fmt, ##__VA_ARGS__) +#define CRITICAL(fmt, ...) logit(LOG_CRIT, fmt, ##__VA_ARGS__) +#define ALERT(fmt, ...) logit(LOG_ALERT, fmt, ##__VA_ARGS__) +#define EMERG(fmt, ...) logit(LOG_EMERG, fmt, ##__VA_ARGS__) + +int log_init(int level, const char *ident, int options); +int log_str2level(const char *lvl); +void log_exit(void); + +#endif diff --git a/tools/thermal/lib/mainloop.c b/tools/thermal/lib/mainloop.c new file mode 100644 index 000000000000..182a9533445b --- /dev/null +++ b/tools/thermal/lib/mainloop.c @@ -0,0 +1,135 @@ +// SPDX-License-Identifier: LGPL-2.1+ +// Copyright (C) 2022, Linaro Ltd - Daniel Lezcano +#include +#include +#include +#include +#include +#include "mainloop.h" +#include "log.h" + +static int epfd = -1; +static unsigned short nrhandler; +static sig_atomic_t exit_mainloop = 0; + +struct mainloop_data { + mainloop_callback_t cb; + void *data; + int fd; +}; + +static struct mainloop_data **mds; + +#define MAX_EVENTS 10 + +static void sig_exit(__maybe_unused int sig) +{ + exit_mainloop = 1; +} + +int mainloop(unsigned int timeout) +{ + int i, nfds; + struct epoll_event events[MAX_EVENTS]; + struct mainloop_data *md; + + if (epfd < 0) + return -1; + + for (;;) { + + nfds = epoll_wait(epfd, events, MAX_EVENTS, timeout); + + if (exit_mainloop) + return 0; + + if (nfds < 0) { + if (errno == EINTR) + continue; + return -1; + } + + /* + * A timeout occured. Let's send to ourself a SIGWINCH + * so the window get refreshed automatically. No need + * to use exported functions and this code stay self + * contained. + */ + if (!nfds) { + kill(getpid(), SIGWINCH); + continue; + } + + for (i = 0; i < nfds; i++) { + md = events[i].data.ptr; + + if (md->cb(md->fd, md->data) > 0) + return 0; + } + + } +} + +int mainloop_add(int fd, mainloop_callback_t cb, void *data) +{ + struct epoll_event ev = { + .events = EPOLLIN, + }; + + struct mainloop_data *md; + + if (fd >= nrhandler) { + mds = realloc(mds, sizeof(*mds) * (fd + 1)); + if (!mds) + return -1; + nrhandler = fd + 1; + } + + md = malloc(sizeof(*md)); + if (!md) + return -1; + + md->data = data; + md->cb = cb; + md->fd = fd; + + mds[fd] = md; + ev.data.ptr = md; + + if (epoll_ctl(epfd, EPOLL_CTL_ADD, fd, &ev) < 0) { + free(md); + return -1; + } + + return 0; +} + +int mainloop_del(int fd) +{ + if (fd >= nrhandler) + return -1; + + if (epoll_ctl(epfd, EPOLL_CTL_DEL, fd, NULL) < 0) + return -1; + + free(mds[fd]); + + return 0; +} + +int mainloop_init(void) +{ + epfd = epoll_create(2); + if (epfd < 0) + return -1; + + signal(SIGINT, sig_exit); + signal(SIGTERM, sig_exit); + + return 0; +} + +void mainloop_fini(void) +{ + close(epfd); +} diff --git a/tools/thermal/lib/mainloop.h b/tools/thermal/lib/mainloop.h new file mode 100644 index 000000000000..eb37977a83e7 --- /dev/null +++ b/tools/thermal/lib/mainloop.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: LGPL-2.1+ */ +/* Copyright (C) 2022, Linaro Ltd - Daniel Lezcano */ +#ifndef __THERMAL_TOOLS_MAINLOOP_H +#define __THERMAL_TOOLS_MAINLOOP_H + +typedef int (*mainloop_callback_t)(int fd, void *data); + +extern int mainloop(unsigned int timeout); +extern int mainloop_add(int fd, mainloop_callback_t cb, void *data); +extern int mainloop_del(int fd); +extern int mainloop_init(void); +extern void mainloop_fini(void); + +#endif diff --git a/tools/thermal/lib/thermal-tools.h b/tools/thermal/lib/thermal-tools.h new file mode 100644 index 000000000000..f43939a468a3 --- /dev/null +++ b/tools/thermal/lib/thermal-tools.h @@ -0,0 +1,10 @@ +/* SPDX-License-Identifier: LGPL-2.1+ */ +/* Copyright (C) 2022, Linaro Ltd - Daniel Lezcano */ +#ifndef __THERMAL_TOOLS +#define __THERMAL_TOOLS + +#include "log.h" +#include "mainloop.h" +#include "uptimeofday.h" + +#endif diff --git a/tools/thermal/lib/uptimeofday.c b/tools/thermal/lib/uptimeofday.c new file mode 100644 index 000000000000..7ccbb272debd --- /dev/null +++ b/tools/thermal/lib/uptimeofday.c @@ -0,0 +1,40 @@ +// SPDX-License-Identifier: LGPL-2.1+ +// Copyright (C) 2022, Linaro Ltd - Daniel Lezcano +#include +#include +#include +#include "thermal-tools.h" + +static unsigned long __offset; +static struct timeval __tv; + +int uptimeofday_init(void) +{ + struct sysinfo info; + + if (sysinfo(&info)) + return -1; + + gettimeofday(&__tv, NULL); + + __offset = __tv.tv_sec - info.uptime; + + return 0; +} + +unsigned long getuptimeofday_ms(void) +{ + gettimeofday(&__tv, NULL); + + return ((__tv.tv_sec - __offset) * 1000) + (__tv.tv_usec / 1000); +} + +struct timespec msec_to_timespec(int msec) +{ + struct timespec tv = { + .tv_sec = (time_t)(msec / 1000), + .tv_nsec = (msec - tv.tv_sec) * 1000000, + }; + + return tv; +} diff --git a/tools/thermal/lib/uptimeofday.h b/tools/thermal/lib/uptimeofday.h new file mode 100644 index 000000000000..c0da5de41325 --- /dev/null +++ b/tools/thermal/lib/uptimeofday.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: LGPL-2.1+ */ +/* Copyright (C) 2022, Linaro Ltd - Daniel Lezcano */ +#ifndef __THERMAL_TOOLS_UPTIMEOFDAY_H +#define __THERMAL_TOOLS_UPTIMEOFDAY_H +#include +#include + +int uptimeofday_init(void); +unsigned long getuptimeofday_ms(void); +struct timespec msec_to_timespec(int msec); + +#endif