diff options
Diffstat (limited to 'main/lttng-ust')
-rw-r--r-- | main/lttng-ust/13d2c5baf1565ba1daa2b96f5e4a297571c505b4.patch | 103 | ||||
-rw-r--r-- | main/lttng-ust/APKBUILD | 13 |
2 files changed, 4 insertions, 112 deletions
diff --git a/main/lttng-ust/13d2c5baf1565ba1daa2b96f5e4a297571c505b4.patch b/main/lttng-ust/13d2c5baf1565ba1daa2b96f5e4a297571c505b4.patch deleted file mode 100644 index 6d770e30f8..0000000000 --- a/main/lttng-ust/13d2c5baf1565ba1daa2b96f5e4a297571c505b4.patch +++ /dev/null @@ -1,103 +0,0 @@ -From 13d2c5baf1565ba1daa2b96f5e4a297571c505b4 Mon Sep 17 00:00:00 2001 -From: Michael Jeanson <mjeanson@efficios.com> -Date: Wed, 20 Mar 2019 11:07:35 -0400 -Subject: [PATCH] compat: work around broken _SC_NPROCESSORS_CONF on MUSL libc - -On MUSL libc the _SC_NPROCESSORS_CONF sysconf will report the number of -CPUs allocated to the task based on the affinity mask instead of the -total number of CPUs configured on the system. - -Signed-off-by: Michael Jeanson <mjeanson@efficios.com> -Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> ---- - libringbuffer/smp.c | 66 +++++++++++++++++++++++++++++++++++++++++++++ - 1 file changed, 66 insertions(+) - -diff --git a/libringbuffer/smp.c b/libringbuffer/smp.c -index 9e7114be..656a75da 100644 ---- a/libringbuffer/smp.c -+++ b/libringbuffer/smp.c -@@ -2,6 +2,7 @@ - * libringbuffer/smp.c - * - * Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> -+ * Copyright (C) 2019 Michael Jeanson <mjeanson@efficios.com> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public -@@ -26,6 +27,7 @@ - - int __num_possible_cpus; - -+#if (defined(__GLIBC__) || defined( __UCLIBC__)) - void _get_num_possible_cpus(void) - { - int result; -@@ -43,3 +45,67 @@ void _get_num_possible_cpus(void) - return; - __num_possible_cpus = result; - } -+ -+#else -+ -+/* -+ * The MUSL libc implementation of the _SC_NPROCESSORS_CONF sysconf does not -+ * return the number of configured CPUs in the system but relies on the cpu -+ * affinity mask of the current task. -+ * -+ * So instead we use a strategy similar to GLIBC's, counting the cpu -+ * directories in "/sys/devices/system/cpu" and fallback on the value from -+ * sysconf if it fails. -+ */ -+ -+#include <dirent.h> -+#include <limits.h> -+#include <stdlib.h> -+#include <string.h> -+#include <sys/types.h> -+ -+#define __max(a,b) ((a)>(b)?(a):(b)) -+ -+void _get_num_possible_cpus(void) -+{ -+ int result, count = 0; -+ DIR *cpudir; -+ struct dirent *entry; -+ -+ cpudir = opendir("/sys/devices/system/cpu"); -+ if (cpudir == NULL) -+ goto end; -+ -+ /* -+ * Count the number of directories named "cpu" followed by and -+ * integer. This is the same strategy as glibc uses. -+ */ -+ while ((entry = readdir(cpudir))) { -+ if (entry->d_type == DT_DIR && -+ strncmp(entry->d_name, "cpu", 3) == 0) { -+ -+ char *endptr; -+ unsigned long cpu_num; -+ -+ cpu_num = strtoul(entry->d_name + 3, &endptr, 10); -+ if ((cpu_num < ULONG_MAX) && (endptr != entry->d_name + 3) -+ && (*endptr == '\0')) { -+ count++; -+ } -+ } -+ } -+ -+end: -+ /* -+ * Get the sysconf value as a fallback. Keep the highest number. -+ */ -+ result = __max(sysconf(_SC_NPROCESSORS_CONF), count); -+ -+ /* -+ * If both methods failed, don't store the value. -+ */ -+ if (result < 1) -+ return; -+ __num_possible_cpus = result; -+} -+#endif diff --git a/main/lttng-ust/APKBUILD b/main/lttng-ust/APKBUILD index 2d513d0d91..2f999dd40c 100644 --- a/main/lttng-ust/APKBUILD +++ b/main/lttng-ust/APKBUILD @@ -1,19 +1,15 @@ # Contributor: Michael Jeanson <mjeanson@efficios.com> # Maintainer: Michael Jeanson <mjeanson@efficios.com> pkgname=lttng-ust -pkgver=2.10.3 -pkgrel=1 +pkgver=2.10.4 +pkgrel=0 pkgdesc="LTTng 2.0 Userspace Tracer" url="https://lttng.org" arch="all" license="LGPL-2.1-or-later" makedepends="userspace-rcu-dev>0.10 util-linux-dev linux-headers bash" -install="" subpackages="$pkgname-doc $pkgname-dev" -source="https://lttng.org/files/$pkgname/$pkgname-$pkgver.tar.bz2 - 13d2c5baf1565ba1daa2b96f5e4a297571c505b4.patch" - -builddir="$srcdir"/$pkgname-$pkgver +source="https://lttng.org/files/lttng-ust/lttng-ust-$pkgver.tar.bz2" build() { cd "$builddir" @@ -35,5 +31,4 @@ package() { make DESTDIR="$pkgdir" install } -sha512sums="6f646de3a12dbad096014f3069c3e702fb54b824b78770e777f6f877c76ffc48fae863b10c432bff1bba29caafdb5b76cb2b9cb88eb7340d5121300d2c0ff65d lttng-ust-2.10.3.tar.bz2 -c91ea6ad2085f13de0508d0f238582bcd12f0460cb00f482a85fa5cfe8ec4ce675c084af27387f63cec9cc83430ca80fb995b289f44b515888efb796a97dc320 13d2c5baf1565ba1daa2b96f5e4a297571c505b4.patch" +sha512sums="e10ab464abe1a305a2e51c37aa7111db3861a09ab8e451ba98f612d53f125c1e7a9225c6663b99bbab24913795f2d351c7dbafc0a52d1468d52899b8b966fc1b lttng-ust-2.10.4.tar.bz2" |