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include interrupt handling time into system time

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Change-Id: If2ed2d488b4040d288d712f0a244505adbcec6f5
Refs: #1221
This commit is contained in:
Tomoki Shirasawa
2019-09-20 12:49:23 +09:00
committed by Masamichi Takagi
parent ba80dd8650
commit f115bae8a7
11 changed files with 550 additions and 7 deletions
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74
test/issues/1221/C1221.patch Normal file
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@ -0,0 +1,74 @@
diff --git a/arch/arm64/kernel/include/syscall_list.h b/arch/arm64/kernel/include/syscall_list.h
index 5dd6243..0f172a3 100644
--- a/arch/arm64/kernel/include/syscall_list.h
+++ b/arch/arm64/kernel/include/syscall_list.h
@@ -128,6 +128,8 @@ SYSCALL_HANDLED(731, util_indicate_clone)
SYSCALL_HANDLED(732, get_system)
SYSCALL_HANDLED(733, util_register_desc)
+SYSCALL_HANDLED(750, int_and_sleep)
+
/* McKernel Specific */
SYSCALL_HANDLED(801, swapout)
SYSCALL_HANDLED(802, linux_mlock)
diff --git a/arch/x86_64/kernel/include/syscall_list.h b/arch/x86_64/kernel/include/syscall_list.h
index 8ef9bd0..2134212 100644
--- a/arch/x86_64/kernel/include/syscall_list.h
+++ b/arch/x86_64/kernel/include/syscall_list.h
@@ -170,6 +170,8 @@ SYSCALL_HANDLED(731, util_indicate_clone)
SYSCALL_HANDLED(732, get_system)
SYSCALL_HANDLED(733, util_register_desc)
+SYSCALL_HANDLED(750, int_and_sleep)
+
/* McKernel Specific */
SYSCALL_HANDLED(801, swapout)
SYSCALL_HANDLED(802, linux_mlock)
diff --git a/kernel/syscall.c b/kernel/syscall.c
index 97935a7..a603791 100644
--- a/kernel/syscall.c
+++ b/kernel/syscall.c
@@ -9429,6 +9429,43 @@ SYSCALL_DECLARE(util_register_desc)
return 0;
}
+volatile long wk;
+volatile long x;
+volatile long y;
+volatile long z;
+
+static void int_func(void *arg)
+{
+ long i;
+
+ kprintf("int_func start\n");
+ for (i = 0; i < 100000000L; i++)
+ wk += x * y + z;
+ kprintf("int_func end\n");
+}
+
+SYSCALL_DECLARE(int_and_sleep)
+{
+ struct ihk_mc_interrupt_handler *int_handler;
+ long flag;
+
+ int_handler = kmalloc(sizeof(struct ihk_mc_interrupt_handler), IHK_MC_AP_NOWAIT);
+ memset(int_handler, '\0', sizeof(struct ihk_mc_interrupt_handler));
+ INIT_LIST_HEAD(&int_handler->list);
+ int_handler->func = int_func;
+ int_handler->priv = NULL;
+ kprintf("ihk_mc_register_interrupt_handler\n");
+ ihk_mc_register_interrupt_handler(140, int_handler);
+ kprintf("ihk_mc_interrupt_cpu\n");
+ flag = cpu_disable_interrupt_save();
+ ihk_mc_interrupt_cpu(ihk_mc_get_processor_id(), 140);
+ cpu_restore_interrupt(flag);
+ kprintf("ihk_mc_unregister_interrupt_handler\n");
+ ihk_mc_unregister_interrupt_handler(140, int_handler);
+ kfree(int_handler);
+ return 0;
+}
+
void
reset_cputime()
{