diff options
Diffstat (limited to 'samples')
-rw-r--r-- | samples/bpf/bpf_helpers.h | 4 | ||||
-rw-r--r-- | samples/bpf/test_cgrp2_tc_kern.c | 2 | ||||
-rw-r--r-- | samples/kprobes/jprobe_example.c | 6 | ||||
-rw-r--r-- | samples/kprobes/kprobe_example.c | 29 | ||||
-rw-r--r-- | samples/kprobes/kretprobe_example.c | 14 |
5 files changed, 24 insertions, 31 deletions
diff --git a/samples/bpf/bpf_helpers.h b/samples/bpf/bpf_helpers.h index 5e4c41e256b8..6f1672a7254e 100644 --- a/samples/bpf/bpf_helpers.h +++ b/samples/bpf/bpf_helpers.h @@ -76,8 +76,8 @@ static int (*bpf_l3_csum_replace)(void *ctx, int off, int from, int to, int flag (void *) BPF_FUNC_l3_csum_replace; static int (*bpf_l4_csum_replace)(void *ctx, int off, int from, int to, int flags) = (void *) BPF_FUNC_l4_csum_replace; -static int (*bpf_skb_in_cgroup)(void *ctx, void *map, int index) = - (void *) BPF_FUNC_skb_in_cgroup; +static int (*bpf_skb_under_cgroup)(void *ctx, void *map, int index) = + (void *) BPF_FUNC_skb_under_cgroup; #if defined(__x86_64__) diff --git a/samples/bpf/test_cgrp2_tc_kern.c b/samples/bpf/test_cgrp2_tc_kern.c index 2732c37c8d5b..10ff73404e3a 100644 --- a/samples/bpf/test_cgrp2_tc_kern.c +++ b/samples/bpf/test_cgrp2_tc_kern.c @@ -57,7 +57,7 @@ int handle_egress(struct __sk_buff *skb) bpf_trace_printk(dont_care_msg, sizeof(dont_care_msg), eth->h_proto, ip6h->nexthdr); return TC_ACT_OK; - } else if (bpf_skb_in_cgroup(skb, &test_cgrp2_array_pin, 0) != 1) { + } else if (bpf_skb_under_cgroup(skb, &test_cgrp2_array_pin, 0) != 1) { bpf_trace_printk(pass_msg, sizeof(pass_msg)); return TC_ACT_OK; } else { diff --git a/samples/kprobes/jprobe_example.c b/samples/kprobes/jprobe_example.c index c3108bb15789..e3c0a40909f7 100644 --- a/samples/kprobes/jprobe_example.c +++ b/samples/kprobes/jprobe_example.c @@ -48,10 +48,10 @@ static int __init jprobe_init(void) ret = register_jprobe(&my_jprobe); if (ret < 0) { - printk(KERN_INFO "register_jprobe failed, returned %d\n", ret); + pr_err("register_jprobe failed, returned %d\n", ret); return -1; } - printk(KERN_INFO "Planted jprobe at %p, handler addr %p\n", + pr_info("Planted jprobe at %p, handler addr %p\n", my_jprobe.kp.addr, my_jprobe.entry); return 0; } @@ -59,7 +59,7 @@ static int __init jprobe_init(void) static void __exit jprobe_exit(void) { unregister_jprobe(&my_jprobe); - printk(KERN_INFO "jprobe at %p unregistered\n", my_jprobe.kp.addr); + pr_info("jprobe at %p unregistered\n", my_jprobe.kp.addr); } module_init(jprobe_init) diff --git a/samples/kprobes/kprobe_example.c b/samples/kprobes/kprobe_example.c index f3b61b4ee09c..88b3e2d227ae 100644 --- a/samples/kprobes/kprobe_example.c +++ b/samples/kprobes/kprobe_example.c @@ -27,23 +27,19 @@ static struct kprobe kp = { static int handler_pre(struct kprobe *p, struct pt_regs *regs) { #ifdef CONFIG_X86 - printk(KERN_INFO "<%s> pre_handler: p->addr = 0x%p, ip = %lx," - " flags = 0x%lx\n", + pr_info("<%s> pre_handler: p->addr = 0x%p, ip = %lx, flags = 0x%lx\n", p->symbol_name, p->addr, regs->ip, regs->flags); #endif #ifdef CONFIG_PPC - printk(KERN_INFO "<%s> pre_handler: p->addr = 0x%p, nip = 0x%lx," - " msr = 0x%lx\n", + pr_info("<%s> pre_handler: p->addr = 0x%p, nip = 0x%lx, msr = 0x%lx\n", p->symbol_name, p->addr, regs->nip, regs->msr); #endif #ifdef CONFIG_MIPS - printk(KERN_INFO "<%s> pre_handler: p->addr = 0x%p, epc = 0x%lx," - " status = 0x%lx\n", + pr_info("<%s> pre_handler: p->addr = 0x%p, epc = 0x%lx, status = 0x%lx\n", p->symbol_name, p->addr, regs->cp0_epc, regs->cp0_status); #endif #ifdef CONFIG_TILEGX - printk(KERN_INFO "<%s> pre_handler: p->addr = 0x%p, pc = 0x%lx," - " ex1 = 0x%lx\n", + pr_info("<%s> pre_handler: p->addr = 0x%p, pc = 0x%lx, ex1 = 0x%lx\n", p->symbol_name, p->addr, regs->pc, regs->ex1); #endif #ifdef CONFIG_ARM64 @@ -61,19 +57,19 @@ static void handler_post(struct kprobe *p, struct pt_regs *regs, unsigned long flags) { #ifdef CONFIG_X86 - printk(KERN_INFO "<%s> post_handler: p->addr = 0x%p, flags = 0x%lx\n", + pr_info("<%s> post_handler: p->addr = 0x%p, flags = 0x%lx\n", p->symbol_name, p->addr, regs->flags); #endif #ifdef CONFIG_PPC - printk(KERN_INFO "<%s> post_handler: p->addr = 0x%p, msr = 0x%lx\n", + pr_info("<%s> post_handler: p->addr = 0x%p, msr = 0x%lx\n", p->symbol_name, p->addr, regs->msr); #endif #ifdef CONFIG_MIPS - printk(KERN_INFO "<%s> post_handler: p->addr = 0x%p, status = 0x%lx\n", + pr_info("<%s> post_handler: p->addr = 0x%p, status = 0x%lx\n", p->symbol_name, p->addr, regs->cp0_status); #endif #ifdef CONFIG_TILEGX - printk(KERN_INFO "<%s> post_handler: p->addr = 0x%p, ex1 = 0x%lx\n", + pr_info("<%s> post_handler: p->addr = 0x%p, ex1 = 0x%lx\n", p->symbol_name, p->addr, regs->ex1); #endif #ifdef CONFIG_ARM64 @@ -89,8 +85,7 @@ static void handler_post(struct kprobe *p, struct pt_regs *regs, */ static int handler_fault(struct kprobe *p, struct pt_regs *regs, int trapnr) { - printk(KERN_INFO "fault_handler: p->addr = 0x%p, trap #%dn", - p->addr, trapnr); + pr_info("fault_handler: p->addr = 0x%p, trap #%dn", p->addr, trapnr); /* Return 0 because we don't handle the fault. */ return 0; } @@ -104,17 +99,17 @@ static int __init kprobe_init(void) ret = register_kprobe(&kp); if (ret < 0) { - printk(KERN_INFO "register_kprobe failed, returned %d\n", ret); + pr_err("register_kprobe failed, returned %d\n", ret); return ret; } - printk(KERN_INFO "Planted kprobe at %p\n", kp.addr); + pr_info("Planted kprobe at %p\n", kp.addr); return 0; } static void __exit kprobe_exit(void) { unregister_kprobe(&kp); - printk(KERN_INFO "kprobe at %p unregistered\n", kp.addr); + pr_info("kprobe at %p unregistered\n", kp.addr); } module_init(kprobe_init) diff --git a/samples/kprobes/kretprobe_example.c b/samples/kprobes/kretprobe_example.c index ebb1d1aed547..7f9060f435cd 100644 --- a/samples/kprobes/kretprobe_example.c +++ b/samples/kprobes/kretprobe_example.c @@ -55,14 +55,14 @@ static int entry_handler(struct kretprobe_instance *ri, struct pt_regs *regs) */ static int ret_handler(struct kretprobe_instance *ri, struct pt_regs *regs) { - int retval = regs_return_value(regs); + unsigned long retval = regs_return_value(regs); struct my_data *data = (struct my_data *)ri->data; s64 delta; ktime_t now; now = ktime_get(); delta = ktime_to_ns(ktime_sub(now, data->entry_stamp)); - printk(KERN_INFO "%s returned %d and took %lld ns to execute\n", + pr_info("%s returned %lu and took %lld ns to execute\n", func_name, retval, (long long)delta); return 0; } @@ -82,11 +82,10 @@ static int __init kretprobe_init(void) my_kretprobe.kp.symbol_name = func_name; ret = register_kretprobe(&my_kretprobe); if (ret < 0) { - printk(KERN_INFO "register_kretprobe failed, returned %d\n", - ret); + pr_err("register_kretprobe failed, returned %d\n", ret); return -1; } - printk(KERN_INFO "Planted return probe at %s: %p\n", + pr_info("Planted return probe at %s: %p\n", my_kretprobe.kp.symbol_name, my_kretprobe.kp.addr); return 0; } @@ -94,11 +93,10 @@ static int __init kretprobe_init(void) static void __exit kretprobe_exit(void) { unregister_kretprobe(&my_kretprobe); - printk(KERN_INFO "kretprobe at %p unregistered\n", - my_kretprobe.kp.addr); + pr_info("kretprobe at %p unregistered\n", my_kretprobe.kp.addr); /* nmissed > 0 suggests that maxactive was set too low. */ - printk(KERN_INFO "Missed probing %d instances of %s\n", + pr_info("Missed probing %d instances of %s\n", my_kretprobe.nmissed, my_kretprobe.kp.symbol_name); } |