diff options
| -rw-r--r-- | recipes-tools/schedtool-dl/schedtool-dl.bb | 6 | ||||
| -rw-r--r-- | recipes-tools/schedtool-dl/schedtool-dl/0001-schedtool-dl-add-flags-to-parameters-of-sched_setattr.patch | 56 |
2 files changed, 61 insertions, 1 deletions
diff --git a/recipes-tools/schedtool-dl/schedtool-dl.bb b/recipes-tools/schedtool-dl/schedtool-dl.bb index 578e5df..20c8919 100644 --- a/recipes-tools/schedtool-dl/schedtool-dl.bb +++ b/recipes-tools/schedtool-dl/schedtool-dl.bb @@ -3,13 +3,17 @@ SECTION = "devel" LICENSE = "GPLv2" LIC_FILES_CHKSUM = "file://LICENSE;md5=dc1f51f7ca94aebffb9b3663d82873ec" -SRC_URI = "git://github.com/jlelli/schedtool-dl.git;protocol=git" +SRC_URI = "git://github.com/jlelli/schedtool-dl.git;protocol=git \ + file://0001-schedtool-dl-add-flags-to-parameters-of-sched_setattr.patch \ + " SRCREV = "3ffb479929c31cbae09de08f94f58b8f0f061d91" S = "${WORKDIR}/git" EXTRA_OEMAKE = "'CC=${CC}'" +TARGET_CC_ARCH += "${LDFLAGS}" + do_compile() { oe_runmake } diff --git a/recipes-tools/schedtool-dl/schedtool-dl/0001-schedtool-dl-add-flags-to-parameters-of-sched_setattr.patch b/recipes-tools/schedtool-dl/schedtool-dl/0001-schedtool-dl-add-flags-to-parameters-of-sched_setattr.patch new file mode 100644 index 0000000..65d5059 --- /dev/null +++ b/recipes-tools/schedtool-dl/schedtool-dl/0001-schedtool-dl-add-flags-to-parameters-of-sched_setattr.patch @@ -0,0 +1,56 @@ +From c75ae0f6ac2bb9eb893cce82e93144e1b3c36389 Mon Sep 17 00:00:00 2001 +From: Qi Hou <qi.hou@windriver.com> +Date: Wed, 16 Mar 2016 05:44:40 +0000 +Subject: [PATCH] schedtool-dl: add flags to parameters of sched_setattr + +git://github.com/jlelli/schedtool-dl.git;protocol=git +commit 3ffb479929c31cbae09de08f94f58b8f0f061d91 + +The commit numbered as 3ffb479 has adapted to the very last changes to the ABI,except for the +syscall of sched_setattr. + +While executing schedtool,there was an error,like below: + +root@128:/opt/wr-test/testcases/kts/edf# schedtool -E -t 8000:10000 -e yes +ERROR: could not set PID 1731 to E: SCHED_DEADLINE - value out of range / policy not implemented + +The cause of this case is that the syscall of sched_setattr is declared with 3 parameters,but in +the use of it in schedtool,there was only two parameters.So to adapt this declaration,we should +add one more parameter,flags,when calling sched_setattr. + +In kernel source file kernel/sched/core.c,the declaration of the syscall of sched_setattr like below: +/** + * sys_sched_setattr - same as above, but with extended sched_attr + * @pid: the pid in question. + * @uattr: structure containing the extended parameters. + * @flags: for future extension. + */ + SYSCALL_DEFINE3(sched_setattr, pid_t, pid, struct sched_attr __user *, uattr, + unsigned int, flags) + { + ... + } + +In schedtool-dl source file syscall_magic.h,the use of sched_setattr like below: + syscall(__NR_sched_setattr, pid, attr) + +Upstream-Status: Backport + +Signed-off-by: Qi Hou <qi.hou@windriver.com> +--- + syscall_magic.h | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/syscall_magic.h b/syscall_magic.h +index 7dcb967..2735dfb 100644 +--- a/syscall_magic.h ++++ b/syscall_magic.h +@@ -76,4 +76,4 @@ struct sched_attr { + syscall(__NR_sched_getattr, pid, attr, size, flags) + + #define sched_setattr(pid, attr, flags) \ +- syscall(__NR_sched_setattr, pid, attr) ++ syscall(__NR_sched_setattr, pid, attr,flags) +-- +1.9.1 + |