[libvirt] [PATCH 19/19] vircgroupmock: mock virBPFQueryProg
We need to mock virBPFQueryProg() in order to prevent extra syscall
which tries to detect whether we can list cgroup BPF programs.
Signed-off-by: Pavel Hrdina <phrdina(a)redhat.com>
---
src/util/virbpf.h | 5 ++++-
tests/vircgroupdata/hybrid.parsed | 2 +-
tests/vircgroupmock.c | 11 +++++++++++
tests/vircgrouptest.c | 4 ++--
4 files changed, 18 insertions(+), 4 deletions(-)
diff --git a/src/util/virbpf.h b/src/util/virbpf.h
index 7085edaacc..35e89e965c 100644
--- a/src/util/virbpf.h
+++ b/src/util/virbpf.h
@@ -23,6 +23,8 @@
# include <linux/bpf.h>
+# include "internal.h"
+
/* ALU ops on registers, bpf_add|sub|...: dst_reg += src_reg */
# define VIR_BPF_ALU64_REG(op, dst, src) \
@@ -211,7 +213,8 @@ virBPFQueryProg(int targetfd,
unsigned int maxprogids,
int attachType,
unsigned int *progcnt,
- void *progids);
+ void *progids)
+ ATTRIBUTE_NOINLINE;
int
virBPFGetProg(unsigned int id);
diff --git a/tests/vircgroupdata/hybrid.parsed b/tests/vircgroupdata/hybrid.parsed
index 7600de5f45..f755eed465 100644
--- a/tests/vircgroupdata/hybrid.parsed
+++ b/tests/vircgroupdata/hybrid.parsed
@@ -2,7 +2,7 @@ cpu <null>
cpuacct <null>
cpuset /not/really/sys/fs/cgroup/cpuset
memory <null>
-devices /not/really/sys/fs/cgroup/devices
+devices <null>
freezer /not/really/sys/fs/cgroup/freezer
blkio <null>
net_cls /not/really/sys/fs/cgroup/net_cls
diff --git a/tests/vircgroupmock.c b/tests/vircgroupmock.c
index 06bd0a5f29..0e5a7b0917 100644
--- a/tests/vircgroupmock.c
+++ b/tests/vircgroupmock.c
@@ -34,6 +34,7 @@
# include "testutilslxc.h"
# include "virstring.h"
# include "virfile.h"
+# include "virbpf.h"
static int (*real_open)(const char *path, int flags, ...);
static FILE *(*real_fopen)(const char *path, const char *mode);
@@ -701,6 +702,16 @@ int open(const char *path, int flags, ...)
free(newpath);
return ret;
}
+
+int
+virBPFQueryProg(int targetfd ATTRIBUTE_UNUSED,
+ unsigned int maxprogids ATTRIBUTE_UNUSED,
+ int attachType ATTRIBUTE_UNUSED,
+ unsigned int *progcnt ATTRIBUTE_UNUSED,
+ void *progids ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
#else
/* Nothing to override on non-__linux__ platforms */
#endif
diff --git a/tests/vircgrouptest.c b/tests/vircgrouptest.c
index 20f4c57b04..4c1f53d924 100644
--- a/tests/vircgrouptest.c
+++ b/tests/vircgrouptest.c
@@ -587,6 +587,7 @@ static int testCgroupNewForSelfUnified(const void *args
ATTRIBUTE_UNUSED)
(1 << VIR_CGROUP_CONTROLLER_CPU) |
(1 << VIR_CGROUP_CONTROLLER_CPUACCT) |
(1 << VIR_CGROUP_CONTROLLER_MEMORY) |
+ (1 << VIR_CGROUP_CONTROLLER_DEVICES) |
(1 << VIR_CGROUP_CONTROLLER_BLKIO);
if (virCgroupNewSelf(&cgroup) < 0) {
@@ -609,14 +610,12 @@ static int testCgroupNewForSelfHybrid(const void *args
ATTRIBUTE_UNUSED)
const char *empty[VIR_CGROUP_CONTROLLER_LAST] = { 0 };
const char *mounts[VIR_CGROUP_CONTROLLER_LAST] = {
[VIR_CGROUP_CONTROLLER_CPUSET] = "/not/really/sys/fs/cgroup/cpuset",
- [VIR_CGROUP_CONTROLLER_DEVICES] = "/not/really/sys/fs/cgroup/devices",
[VIR_CGROUP_CONTROLLER_FREEZER] = "/not/really/sys/fs/cgroup/freezer",
[VIR_CGROUP_CONTROLLER_NET_CLS] = "/not/really/sys/fs/cgroup/net_cls",
[VIR_CGROUP_CONTROLLER_PERF_EVENT] =
"/not/really/sys/fs/cgroup/perf_event",
};
const char *placement[VIR_CGROUP_CONTROLLER_LAST] = {
[VIR_CGROUP_CONTROLLER_CPUSET] = "/",
- [VIR_CGROUP_CONTROLLER_DEVICES] = "/",
[VIR_CGROUP_CONTROLLER_FREEZER] = "/",
[VIR_CGROUP_CONTROLLER_NET_CLS] = "/",
[VIR_CGROUP_CONTROLLER_PERF_EVENT] = "/",
@@ -625,6 +624,7 @@ static int testCgroupNewForSelfHybrid(const void *args
ATTRIBUTE_UNUSED)
(1 << VIR_CGROUP_CONTROLLER_CPU) |
(1 << VIR_CGROUP_CONTROLLER_CPUACCT) |
(1 << VIR_CGROUP_CONTROLLER_MEMORY) |
+ (1 << VIR_CGROUP_CONTROLLER_DEVICES) |
(1 << VIR_CGROUP_CONTROLLER_BLKIO);
if (virCgroupNewSelf(&cgroup) < 0) {
--
2.20.1