diff options
author | Andrey Konovalov <andrey.konovalov@linaro.org> | 2012-12-11 13:41:02 +0400 |
---|---|---|
committer | Andrey Konovalov <andrey.konovalov@linaro.org> | 2012-12-11 13:41:02 +0400 |
commit | 73a2b8639b8c37887fbdbd7cc068da5fb1aacf8f (patch) | |
tree | 24fe2ba0318d88afc1bf149b451649f194bf0d14 | |
parent | dd1412ef98ee51de57579b1bbefe493d6998c8fb (diff) | |
parent | 3fee42da5abb697f84d493c751e1bec76838907e (diff) |
Merge branch 'tracking-llct-v3.7-misc-fixes' into merge-linux-linaro-core-trackingllct-20121211.0
-rw-r--r-- | arch/arm/boot/dts/Makefile | 2 | ||||
-rw-r--r-- | arch/arm/kernel/ftrace.c | 34 | ||||
-rw-r--r-- | drivers/clk/ux500/u8500_clk.c | 2 | ||||
-rw-r--r-- | drivers/staging/omapdrm/omap_crtc.c | 1 | ||||
-rw-r--r-- | drivers/usb/host/ehci-q.c | 18 | ||||
-rw-r--r-- | drivers/usb/host/ehci.h | 17 | ||||
-rw-r--r-- | scripts/Kbuild.include | 6 | ||||
-rw-r--r-- | scripts/Makefile.build | 6 | ||||
-rw-r--r-- | scripts/kconfig/Makefile | 30 | ||||
-rwxr-xr-x | scripts/kconfig/merge_config.sh | 20 | ||||
-rw-r--r-- | scripts/mod/Makefile | 10 | ||||
-rw-r--r-- | scripts/package/builddeb | 86 | ||||
-rw-r--r-- | tools/perf/Makefile | 17 | ||||
-rw-r--r-- | tools/perf/builtin-record.c | 33 | ||||
-rw-r--r-- | tools/perf/builtin-test.c | 7 | ||||
-rw-r--r-- | tools/perf/builtin.h | 1 | ||||
-rw-r--r-- | tools/perf/compat-android.h | 106 | ||||
-rw-r--r-- | tools/perf/config/feature-tests.mak | 13 | ||||
-rw-r--r-- | tools/perf/util/util.h | 2 |
19 files changed, 346 insertions, 65 deletions
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index f37cf9fa5fa..b24372a6fde 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -95,6 +95,8 @@ dtb-$(CONFIG_ARCH_TEGRA) += tegra20-harmony.dtb \ tegra20-whistler.dtb \ tegra30-cardhu-a02.dtb \ tegra30-cardhu-a04.dtb +dtb-$(CONFIG_ARCH_VERSATILE) += versatile-ab.dtb \ + versatile-pb.dtb dtb-$(CONFIG_ARCH_VEXPRESS) += vexpress-v2p-ca5s.dtb \ vexpress-v2p-ca9.dtb \ vexpress-v2p-ca15-tc1.dtb \ diff --git a/arch/arm/kernel/ftrace.c b/arch/arm/kernel/ftrace.c index 6a740a93f4b..b0505289b6e 100644 --- a/arch/arm/kernel/ftrace.c +++ b/arch/arm/kernel/ftrace.c @@ -15,6 +15,7 @@ #include <linux/ftrace.h> #include <linux/module.h> #include <linux/uaccess.h> +#include <linux/stop_machine.h> #include <asm/cacheflush.h> #include <asm/opcodes.h> @@ -171,6 +172,39 @@ int ftrace_make_nop(struct module *mod, return ret; } +struct afmc_data { + int command; + atomic_t cpu; + atomic_t done; +}; + +static int __arch_ftrace_modify_code(void *data) +{ + struct afmc_data *afmcd = data; + + if (atomic_inc_return(&afmcd->cpu) == num_online_cpus()) { + /* Last cpu to get into this function does the actual work */ + ftrace_modify_all_code(afmcd->command); + wmb(); + atomic_set(&afmcd->done, true); + } else { + /* Other cpus wait for the code modifications to be done */ + rmb(); + while (!atomic_read(&afmcd->done)) + cpu_relax(); + /* Ensure icache is consistent with the code changes */ + __flush_icache_all(); + } + + return 0; +} + +void arch_ftrace_update_code(int command) +{ + struct afmc_data afmcd = { command }; + stop_machine(__arch_ftrace_modify_code, &afmcd, cpu_online_mask); +} + int __init ftrace_dyn_arch_init(void *data) { *(unsigned long *)data = 0; diff --git a/drivers/clk/ux500/u8500_clk.c b/drivers/clk/ux500/u8500_clk.c index e2c17d187d9..6939009521f 100644 --- a/drivers/clk/ux500/u8500_clk.c +++ b/drivers/clk/ux500/u8500_clk.c @@ -323,7 +323,7 @@ void u8500_clk_init(void) clk_register_clkdev(clk, NULL, "gpioblock1"); clk = clk_reg_prcc_pclk("p2_pclk12", "per2clk", U8500_CLKRST2_BASE, - BIT(11), 0); + BIT(12), 0); clk = clk_reg_prcc_pclk("p3_pclk0", "per3clk", U8500_CLKRST3_BASE, BIT(0), 0); diff --git a/drivers/staging/omapdrm/omap_crtc.c b/drivers/staging/omapdrm/omap_crtc.c index 732f2ad3403..35ab9a993ff 100644 --- a/drivers/staging/omapdrm/omap_crtc.c +++ b/drivers/staging/omapdrm/omap_crtc.c @@ -19,7 +19,6 @@ #include "omap_drv.h" -#include "drm_mode.h" #include "drm_crtc.h" #include "drm_crtc_helper.h" diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c index 4b66374bdc8..940a63f67a2 100644 --- a/drivers/usb/host/ehci-q.c +++ b/drivers/usb/host/ehci-q.c @@ -1018,6 +1018,12 @@ static void qh_link_async (struct ehci_hcd *ehci, struct ehci_qh *qh) head->qh_next.qh = qh; head->hw->hw_next = dma; + /* + * flush qh descriptor into memory immediately, + * see comments in qh_append_tds. + */ + ehci_sync_mem(); + qh->xacterrs = 0; qh->qh_state = QH_STATE_LINKED; /* qtd completions reported later by interrupt */ @@ -1106,6 +1112,18 @@ static struct ehci_qh *qh_append_tds ( wmb (); dummy->hw_token = token; + /* + * Writing to dma coherent buffer on ARM may + * be delayed to reach memory, so HC may not see + * hw_token of dummy qtd in time, which can cause + * the qtd transaction to be executed very late, + * and degrade performance a lot. ehci_sync_mem + * is added to flush 'token' immediatelly into + * memory, so that ehci can execute the transaction + * ASAP. + */ + ehci_sync_mem(); + urb->hcpriv = qh; } } diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index da07d98f7d1..53ed57567ce 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h @@ -760,6 +760,23 @@ static inline u32 hc32_to_cpup (const struct ehci_hcd *ehci, const __hc32 *x) #endif +/* + * Writing to dma coherent memory on ARM may be delayed via L2 + * writing buffer, so introduce the helper which can flush L2 writing + * buffer into memory immediately, especially used to flush ehci + * descriptor to memory. + */ +#ifdef CONFIG_ARM_DMA_MEM_BUFFERABLE +static inline void ehci_sync_mem() +{ + mb(); +} +#else +static inline void ehci_sync_mem() +{ +} +#endif + /*-------------------------------------------------------------------------*/ #ifdef CONFIG_PCI diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include index 978416dd31c..5ecac2ae6fd 100644 --- a/scripts/Kbuild.include +++ b/scripts/Kbuild.include @@ -222,11 +222,15 @@ if_changed = $(if $(strip $(any-prereq) $(arg-check)), \ $(echo-cmd) $(cmd_$(1)); \ echo 'cmd_$@ := $(make-cmd)' > $(dot-target).cmd) +ifeq ($(KBUILD_SCRIPTROOT),) +KBUILD_SCRIPTROOT=. +endif + # Execute the command and also postprocess generated .d dependencies file. if_changed_dep = $(if $(strip $(any-prereq) $(arg-check) ), \ @set -e; \ $(echo-cmd) $(cmd_$(1)); \ - scripts/basic/fixdep $(depfile) $@ '$(make-cmd)' > $(dot-target).tmp;\ + $(KBUILD_SCRIPTROOT)/scripts/basic/fixdep $(depfile) $@ '$(make-cmd)' > $(dot-target).tmp;\ rm -f $(depfile); \ mv -f $(dot-target).tmp $(dot-target).cmd) diff --git a/scripts/Makefile.build b/scripts/Makefile.build index 0e801c3cdaf..641a7bbdaad 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -290,13 +290,17 @@ cmd_record_mcount = \ fi; endif +ifeq ($(KBUILD_SCRIPTROOT),) +KBUILD_SCRIPTROOT=. +endif + define rule_cc_o_c $(call echo-cmd,checksrc) $(cmd_checksrc) \ $(call echo-cmd,cc_o_c) $(cmd_cc_o_c); \ $(cmd_modversions) \ $(call echo-cmd,record_mcount) \ $(cmd_record_mcount) \ - scripts/basic/fixdep $(depfile) $@ '$(call make-cmd,cc_o_c)' > \ + $(KBUILD_SCRIPTROOT)/scripts/basic/fixdep $(depfile) $@ '$(call make-cmd,cc_o_c)' > \ $(dot-target).tmp; \ rm -f $(depfile); \ mv -f $(dot-target).tmp $(dot-target).cmd diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile index 3091794e935..ee7797d9eaf 100644 --- a/scripts/kconfig/Makefile +++ b/scripts/kconfig/Makefile @@ -11,6 +11,12 @@ else Kconfig := Kconfig endif +ifdef KBUILD_SCRIPTROOT +CONF = $(KBUILD_SCRIPTROOT)/scripts/kconfig/conf +else +CONF = $(obj)/conf +endif + xconfig: $(obj)/qconf $< $(Kconfig) @@ -20,31 +26,31 @@ gconfig: $(obj)/gconf menuconfig: $(obj)/mconf $< $(Kconfig) -config: $(obj)/conf +config: $(CONF) $< --oldaskconfig $(Kconfig) nconfig: $(obj)/nconf $< $(Kconfig) -oldconfig: $(obj)/conf +oldconfig: $(CONF) $< --$@ $(Kconfig) -silentoldconfig: $(obj)/conf +silentoldconfig: $(CONF) $(Q)mkdir -p include/generated $< --$@ $(Kconfig) -localyesconfig localmodconfig: $(obj)/streamline_config.pl $(obj)/conf +localyesconfig localmodconfig: $(obj)/streamline_config.pl $(CONF) $(Q)mkdir -p include/generated $(Q)perl $< --$@ $(srctree) $(Kconfig) > .tmp.config $(Q)if [ -f .config ]; then \ cmp -s .tmp.config .config || \ (mv -f .config .config.old.1; \ mv -f .tmp.config .config; \ - $(obj)/conf --silentoldconfig $(Kconfig); \ + $(CONF) --silentoldconfig $(Kconfig); \ mv -f .config.old.1 .config.old) \ else \ mv -f .tmp.config .config; \ - $(obj)/conf --silentoldconfig $(Kconfig); \ + $(CONF) --silentoldconfig $(Kconfig); \ fi $(Q)rm -f .tmp.config @@ -73,24 +79,24 @@ update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h PHONY += allnoconfig allyesconfig allmodconfig alldefconfig randconfig -allnoconfig allyesconfig allmodconfig alldefconfig randconfig: $(obj)/conf +allnoconfig allyesconfig allmodconfig alldefconfig randconfig: $(CONF) $< --$@ $(Kconfig) PHONY += listnewconfig olddefconfig oldnoconfig savedefconfig defconfig -listnewconfig olddefconfig: $(obj)/conf +listnewconfig olddefconfig: $(CONF) $< --$@ $(Kconfig) # oldnoconfig is an alias of olddefconfig, because people already are dependent # on its behavior(sets new symbols to their default value but not 'n') with the # counter-intuitive name. -oldnoconfig: $(obj)/conf +oldnoconfig: $(CONF) $< --olddefconfig $(Kconfig) -savedefconfig: $(obj)/conf +savedefconfig: $(CONF) $< --$@=defconfig $(Kconfig) -defconfig: $(obj)/conf +defconfig: $(CONF) ifeq ($(KBUILD_DEFCONFIG),) $< --defconfig $(Kconfig) else @@ -98,7 +104,7 @@ else $(Q)$< --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig) endif -%_defconfig: $(obj)/conf +%_defconfig: $(CONF) $(Q)$< --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig) # Help text used by make help diff --git a/scripts/kconfig/merge_config.sh b/scripts/kconfig/merge_config.sh index 974d5cb7e30..05274fccb88 100755 --- a/scripts/kconfig/merge_config.sh +++ b/scripts/kconfig/merge_config.sh @@ -32,11 +32,13 @@ usage() { echo " -m only merge the fragments, do not execute the make command" echo " -n use allnoconfig instead of alldefconfig" echo " -r list redundant entries when merging fragments" + echo " -O dir to put generated output files" } MAKE=true ALLTARGET=alldefconfig WARNREDUN=false +OUTPUT=. while true; do case $1 in @@ -59,6 +61,16 @@ while true; do shift continue ;; + "-O") + if [ -d $2 ];then + OUTPUT=$(echo $2 | sed 's/\/*$//') + else + echo "output directory $2 does not exist" 1>&2 + exit 1 + fi + shift 2 + continue + ;; *) break ;; @@ -100,9 +112,9 @@ for MERGE_FILE in $MERGE_LIST ; do done if [ "$MAKE" = "false" ]; then - cp $TMP_FILE .config + cp $TMP_FILE $OUTPUT/.config echo "#" - echo "# merged configuration written to .config (needs make)" + echo "# merged configuration written to $OUTPUT/.config (needs make)" echo "#" clean_up exit @@ -111,14 +123,14 @@ fi # Use the merged file as the starting point for: # alldefconfig: Fills in any missing symbols with Kconfig default # allnoconfig: Fills in any missing symbols with # CONFIG_* is not set -make KCONFIG_ALLCONFIG=$TMP_FILE $ALLTARGET +make KCONFIG_ALLCONFIG=$TMP_FILE O=$OUTPUT $ALLTARGET # Check all specified config values took (might have missed-dependency issues) for CFG in $(sed -n "$SED_CONFIG_EXP" $TMP_FILE); do REQUESTED_VAL=$(grep -w -e "$CFG" $TMP_FILE) - ACTUAL_VAL=$(grep -w -e "$CFG" .config) + ACTUAL_VAL=$(grep -w -e "$CFG" $OUTPUT/.config) if [ "x$REQUESTED_VAL" != "x$ACTUAL_VAL" ] ; then echo "Value requested for $CFG not in final .config" echo "Requested value: $REQUESTED_VAL" diff --git a/scripts/mod/Makefile b/scripts/mod/Makefile index ff954f8168c..258d4ba32d5 100644 --- a/scripts/mod/Makefile +++ b/scripts/mod/Makefile @@ -1,6 +1,12 @@ hostprogs-y := modpost mk_elfconfig always := $(hostprogs-y) empty.o +ifdef KBUILD_SCRIPTROOT +MKELFCONFIG = $(KBUILD_SCRIPTROOT)/scripts/mod/mk_elfconfig +else +MKELFCONFIG = $(obj)/mk_elfconfig +endif + modpost-objs := modpost.o file2alias.o sumversion.o # dependencies on generated files need to be listed explicitly @@ -8,9 +14,9 @@ modpost-objs := modpost.o file2alias.o sumversion.o $(obj)/modpost.o $(obj)/file2alias.o $(obj)/sumversion.o: $(obj)/elfconfig.h quiet_cmd_elfconfig = MKELF $@ - cmd_elfconfig = $(obj)/mk_elfconfig < $< > $@ + cmd_elfconfig = $(MKELFCONFIG) < $< > $@ -$(obj)/elfconfig.h: $(obj)/empty.o $(obj)/mk_elfconfig FORCE +$(obj)/elfconfig.h: $(obj)/empty.o $(MKELFCONFIG) FORCE $(call if_changed,elfconfig) targets += elfconfig.h diff --git a/scripts/package/builddeb b/scripts/package/builddeb index acb86507828..22686b9c156 100644 --- a/scripts/package/builddeb +++ b/scripts/package/builddeb @@ -12,6 +12,43 @@ set -e +# Attempt to find the correct Debian architecture +forcearch="" +debarch="" +case "$UTS_MACHINE" in +i386|ia64|alpha) + debarch="$UTS_MACHINE" ;; +x86_64) + debarch=amd64 ;; +sparc*) + debarch=sparc ;; +s390*) + debarch=s390 ;; +ppc*) + debarch=powerpc ;; +parisc*) + debarch=hppa ;; +mips*) + debarch=mips$(grep -q CPU_LITTLE_ENDIAN=y .config && echo el) ;; +arm*) + debarch=arm$(grep -q CONFIG_AEABI=y .config && echo el) ;; +*) + echo "" >&2 + echo "** ** ** WARNING ** ** **" >&2 + echo "" >&2 + echo "Your architecture doesn't have it's equivalent" >&2 + echo "Debian userspace architecture defined!" >&2 + echo "Falling back to using your current userspace instead!" >&2 + echo "Please add support for $UTS_MACHINE to ${0} ..." >&2 + echo "" >&2 +esac +if [ -n "$KBUILD_DEBARCH" ] ; then + debarch="$KBUILD_DEBARCH" +fi +if [ -n "$debarch" ] ; then + forcearch="-DArchitecture=$debarch" +fi + create_package() { local pname="$1" pdir="$2" @@ -25,42 +62,6 @@ create_package() { chown -R root:root "$pdir" chmod -R go-w "$pdir" - # Attempt to find the correct Debian architecture - local forcearch="" debarch="" - case "$UTS_MACHINE" in - i386|ia64|alpha) - debarch="$UTS_MACHINE" ;; - x86_64) - debarch=amd64 ;; - sparc*) - debarch=sparc ;; - s390*) - debarch=s390 ;; - ppc*) - debarch=powerpc ;; - parisc*) - debarch=hppa ;; - mips*) - debarch=mips$(grep -q CPU_LITTLE_ENDIAN=y .config && echo el) ;; - arm*) - debarch=arm$(grep -q CONFIG_AEABI=y .config && echo el) ;; - *) - echo "" >&2 - echo "** ** ** WARNING ** ** **" >&2 - echo "" >&2 - echo "Your architecture doesn't have it's equivalent" >&2 - echo "Debian userspace architecture defined!" >&2 - echo "Falling back to using your current userspace instead!" >&2 - echo "Please add support for $UTS_MACHINE to ${0} ..." >&2 - echo "" >&2 - esac - if [ -n "$KBUILD_DEBARCH" ] ; then - debarch="$KBUILD_DEBARCH" - fi - if [ -n "$debarch" ] ; then - forcearch="-DArchitecture=$debarch" - fi - # Create the package dpkg-gencontrol -isp $forcearch -p$pname -P"$pdir" dpkg --build "$pdir" .. @@ -252,15 +253,14 @@ mkdir -p "$destdir" (cd $objtree; tar -c -f - -T "$objtree/debian/hdrobjfiles") | (cd $destdir; tar -xf -) ln -sf "/usr/src/linux-headers-$version" "$kernel_headers_dir/lib/modules/$version/build" rm -f "$objtree/debian/hdrsrcfiles" "$objtree/debian/hdrobjfiles" -arch=$(dpkg --print-architecture) cat <<EOF >> debian/control Package: $kernel_headers_packagename Provides: linux-headers, linux-headers-2.6 -Architecture: $arch -Description: Linux kernel headers for $KERNELRELEASE on $arch - This package provides kernel header files for $KERNELRELEASE on $arch +Architecture: $debarch +Description: Linux kernel headers for $KERNELRELEASE on $debarch + This package provides kernel header files for $KERNELRELEASE on $debarch . This is useful for people who need to build external modules EOF @@ -281,6 +281,12 @@ EOF create_package "$fwpackagename" "$fwdir" fi +# Copy device tree files if generated +stat arch/$ARCH/boot/*.dtb && { + mkdir -p "$tmpdir/lib/firmware/$version/device-tree" + cp arch/$ARCH/boot/*.dtb "$tmpdir/lib/firmware/$version/device-tree" +} + cat <<EOF >> debian/control Package: $libc_headers_packagename diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 0a619af5be4..16d4c64d971 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -104,7 +104,7 @@ ifdef PARSER_DEBUG endif CFLAGS = -fno-omit-frame-pointer -ggdb3 -funwind-tables -Wall -Wextra -std=gnu99 $(CFLAGS_WERROR) $(CFLAGS_OPTIMIZE) $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) $(PARSER_DEBUG_CFLAGS) -EXTLIBS = -lpthread -lrt -lelf -lm +EXTLIBS = -lpthread -lelf -lm ALL_CFLAGS = $(CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE ALL_LDFLAGS = $(LDFLAGS) STRIP ?= strip @@ -498,7 +498,14 @@ FLAGS_LIBELF=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) ifneq ($(call try-cc,$(SOURCE_LIBELF),$(FLAGS_LIBELF)),y) FLAGS_GLIBC=$(ALL_CFLAGS) $(ALL_LDFLAGS) ifneq ($(call try-cc,$(SOURCE_GLIBC),$(FLAGS_GLIBC)),y) - msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static); + ifeq ($(call try-cc,$(SOURCE_BIONIC),$(FLAGS_GLIBC)),y) + # Found Bionic instead of glibc... + # That works too, but needs a bit of special treatment + BASIC_CFLAGS += -DANDROID -DHAVE_STRLCPY -include $(CURDIR)/compat-android.h + ANDROID := 1 + else + msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static); + endif else NO_LIBELF := 1 NO_DWARF := 1 @@ -513,6 +520,10 @@ else endif # SOURCE_LIBELF endif # NO_LIBELF +ifneq ($(ANDROID),1) +EXTLIBS += -lrt +endif + ifndef NO_LIBUNWIND # for linking with debug library, run like: # make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/ @@ -947,7 +958,7 @@ $(LIB_FILE): $(LIB_OBJS) # libtraceevent.a $(LIBTRACEEVENT): - $(QUIET_SUBDIR0)$(TRACE_EVENT_DIR) $(QUIET_SUBDIR1) O=$(OUTPUT) libtraceevent.a + $(QUIET_SUBDIR0)$(TRACE_EVENT_DIR) $(QUIET_SUBDIR1) VERBOSE=2 CFLAGS="$(ALL_CFLAGS)" O=$(OUTPUT) libtraceevent.a $(LIBTRACEEVENT)-clean: $(QUIET_SUBDIR0)$(TRACE_EVENT_DIR) $(QUIET_SUBDIR1) O=$(OUTPUT) clean diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index e9231659754..451db235c1c 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -27,10 +27,43 @@ #include "util/cpumap.h" #include "util/thread_map.h" +#include <stdlib.h> #include <unistd.h> #include <sched.h> #include <sys/mman.h> +#ifdef ANDROID +/* While stdlib.h has a prototype for it, + Bionic doesn't actually implement on_exit() */ +#ifndef ATEXIT_MAX +#define ATEXIT_MAX 32 +#endif +static int __on_exit_count = 0; +typedef void (*on_exit_func_t)(int, void*); +static on_exit_func_t __on_exit_funcs[ATEXIT_MAX]; +static void *__on_exit_args[ATEXIT_MAX]; +static int __exitcode = 0; +static void __handle_on_exit_funcs(); +static int on_exit(on_exit_func_t function, void *arg); +#define exit(x) (exit)(__exitcode = (x)) + +static int on_exit(on_exit_func_t function, void *arg) { + if(__on_exit_count == ATEXIT_MAX) + return ENOMEM; + else if(__on_exit_count == 0) + atexit(__handle_on_exit_funcs); + __on_exit_funcs[__on_exit_count] = function; + __on_exit_args[__on_exit_count++] = arg; + return 0; +} + +static void __handle_on_exit_funcs() { + for(int i=0; i<__on_exit_count; i++) { + __on_exit_funcs[i](__exitcode, __on_exit_args[i]); + } +} +#endif + enum write_mode_t { WRITE_FORCE, WRITE_APPEND diff --git a/tools/perf/builtin-test.c b/tools/perf/builtin-test.c index 5acd6e8e658..d7c4aa0d3ee 100644 --- a/tools/perf/builtin-test.c +++ b/tools/perf/builtin-test.c @@ -471,10 +471,17 @@ static int test__basic_mmap(void) .watermark = 0, }; cpu_set_t cpu_set; +#ifndef ANDROID const char *syscall_names[] = { "getsid", "getppid", "getpgrp", "getpgid", }; pid_t (*syscalls[])(void) = { (void *)getsid, getppid, getpgrp, (void*)getpgid }; +#else + /* No getsid() on Android */ + const char *syscall_names[] = { "getppid", "getpgrp", + "getpgid", }; + pid_t (*syscalls[])(void) = { getppid, getpgrp, (void*)getpgid }; +#endif #define nsyscalls ARRAY_SIZE(syscall_names) int ids[nsyscalls]; unsigned int nr_events[nsyscalls], diff --git a/tools/perf/builtin.h b/tools/perf/builtin.h index 08143bd854c..5e5ec41494e 100644 --- a/tools/perf/builtin.h +++ b/tools/perf/builtin.h @@ -1,6 +1,7 @@ #ifndef BUILTIN_H #define BUILTIN_H +#include "compat-android.h" #include "util/util.h" #include "util/strbuf.h" diff --git a/tools/perf/compat-android.h b/tools/perf/compat-android.h new file mode 100644 index 00000000000..b8fb9367932 --- /dev/null +++ b/tools/perf/compat-android.h @@ -0,0 +1,106 @@ +/* Android compatibility header + * Provides missing bits in Bionic on Android, ignored + * on regular Linux. + * + * Written by Bernhard.Rosenkranzer@linaro.org + * + * Released into the public domain. Do with this file + * whatever you want. + */ +#ifdef ANDROID +/* Bionic has its own idea about ALIGN, and kills other definitions. + * Done outside the multiple-inclusion wrapper to make sure we + * can override Bionic's ALIGN by simply including compat-android.h + * again after including Bionic headers. + */ +#undef ALIGN +#undef __ALIGN_MASK +#define ALIGN(x,a) __ALIGN_MASK(x,(typeof(x))(a)-1) +#define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) + +#ifndef _COMPAT_ANDROID_H_ +#define _COMPAT_ANDROID_H_ 1 +#include <stdio.h> +#include <signal.h> +#include <asm/page.h> /* for PAGE_SIZE */ +#include <asm/termios.h> /* for winsize */ + +#ifndef __WORDSIZE +#include <stdint.h> +#define __WORDSIZE _BITSIZE +#endif + +#ifndef roundup +#define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) +#endif + +#ifndef __force +#define __force +#endif + +#ifndef __le32 +#define __le32 uint32_t +#endif + +/* Assorted functions that are missing from Bionic */ +/* Android prior to 4.2 lacks psignal(). + * What we're doing here is fairly evil - but necessary since + * Bionic doesn't export any version identifier or the likes. + * We do know that 4.2 is the version introducing psignal() and + * also KLOG_CONSOLE_OFF -- completely unrelated, but something + * we can check for... + */ +#include <sys/klog.h> +#ifndef KLOG_CONSOLE_OFF +static void psignal(int sig, const char *s) +{ + if(sig >= 0 && sig < NSIG) { + if(s) + fprintf(stderr, "%s: %s\n", s, sys_siglist[sig]); + else + fprintf(stderr, "%s\n", sys_siglist[sig]); + } else { + if(s) + fprintf(stderr, "%s: invalid signal\n", s); + else + fputs("invalid signal\n", stderr); + } +} +#endif + +static ssize_t getline(char **lineptr, size_t *n, FILE *stream) +{ + size_t ret = 0; + + if (!lineptr || !n || !stream) + return -1; + + if(!*lineptr) { + *n = 128; + *lineptr = (char*)malloc(*n); + if(!*lineptr) + return -1; + } + + while(!feof(stream) && !ferror(stream)) { + int c; + if(ret == *n) { + *n += 128; + *lineptr = (char*)realloc(*lineptr, *n); + if(!*lineptr) { + *n = 0; + return -1; + } + } + c = fgetc(stream); + if(c == EOF) + break; + *lineptr[ret++] = c; + if(c == '\n') + break; + } + *lineptr[ret] = 0; + return ret; +} +#endif +#endif diff --git a/tools/perf/config/feature-tests.mak b/tools/perf/config/feature-tests.mak index 4add41bb0c7..76ec8bf2478 100644 --- a/tools/perf/config/feature-tests.mak +++ b/tools/perf/config/feature-tests.mak @@ -43,6 +43,19 @@ int main(void) } endef +define SOURCE_BIONIC +#include <android/api-level.h> + +int main(void) +{ +#ifndef __ANDROID_API__ + error out +#else + return 0; +#endif +} +endef + define SOURCE_ELF_MMAP #include <libelf.h> int main(void) diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h index 70fa70b535b..10e8a478ae4 100644 --- a/tools/perf/util/util.h +++ b/tools/perf/util/util.h @@ -72,7 +72,9 @@ #include <inttypes.h> #include <linux/magic.h> #include "types.h" +#ifndef ANDROID #include <sys/ttydefaults.h> +#endif extern const char *graph_line; extern const char *graph_dotted_line; |