kernel: compile out SNMP MIB related counting if debloat-proc is active - improves network stack performance
Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 48239
This commit is contained in:
Felix Fietkau
parent
1133101bc8
commit
7f11532c58
3 changed files with 132 additions and 0 deletions
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@ -339,3 +339,47 @@
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remove_proc_entry("dev", net->proc_net);
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}
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--- a/include/net/snmp.h
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+++ b/include/net/snmp.h
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@@ -123,6 +123,30 @@ struct linux_xfrm_mib {
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#define DECLARE_SNMP_STAT(type, name) \
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extern __typeof__(type) __percpu *name
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+#ifdef CONFIG_PROC_STRIPPED
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+#define SNMP_INC_STATS_BH(mib, field) \
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+ do { (void) mib->mibs[0]; } while(0)
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+#define SNMP_INC_STATS_USER(mib, field) \
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+ do { (void) mib->mibs[0]; } while(0)
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+#define SNMP_INC_STATS_ATOMIC_LONG(mib, field) \
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+ do { (void) mib->mibs[0]; } while(0)
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+#define SNMP_INC_STATS(mib, field) \
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+ do { (void) mib->mibs[0]; } while(0)
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+#define SNMP_DEC_STATS(mib, field) \
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+ do { (void) mib->mibs[0]; } while(0)
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+#define SNMP_ADD_STATS_BH(mib, field, addend) \
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+ do { (void) mib->mibs[0]; } while(0)
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+#define SNMP_ADD_STATS_USER(mib, field, addend) \
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+ do { (void) mib->mibs[0]; } while(0)
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+#define SNMP_ADD_STATS(mib, field, addend) \
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+ do { (void) mib->mibs[0]; } while(0)
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+#define SNMP_UPD_PO_STATS(mib, basefield, addend) \
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+ do { (void) mib->mibs[0]; } while(0)
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+#define SNMP_UPD_PO_STATS_BH(mib, basefield, addend) \
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+ do { (void) mib->mibs[0]; } while(0)
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+
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+#else
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+
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#define SNMP_INC_STATS_BH(mib, field) \
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__this_cpu_inc(mib->mibs[field])
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@@ -159,8 +183,9 @@ struct linux_xfrm_mib {
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__this_cpu_add(ptr[basefield##OCTETS], addend); \
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} while (0)
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+#endif
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-#if BITS_PER_LONG==32
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+#if (BITS_PER_LONG==32) && !defined(CONFIG_PROC_STRIPPED)
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#define SNMP_ADD_STATS64_BH(mib, field, addend) \
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do { \
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@ -339,3 +339,47 @@
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remove_proc_entry("dev", net->proc_net);
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}
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--- a/include/net/snmp.h
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+++ b/include/net/snmp.h
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@@ -123,6 +123,30 @@ struct linux_xfrm_mib {
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#define DECLARE_SNMP_STAT(type, name) \
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extern __typeof__(type) __percpu *name
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+#ifdef CONFIG_PROC_STRIPPED
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+#define SNMP_INC_STATS_BH(mib, field) \
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+ do { (void) mib->mibs[0]; } while(0)
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+#define SNMP_INC_STATS_USER(mib, field) \
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+ do { (void) mib->mibs[0]; } while(0)
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+#define SNMP_INC_STATS_ATOMIC_LONG(mib, field) \
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+ do { (void) mib->mibs[0]; } while(0)
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+#define SNMP_INC_STATS(mib, field) \
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+ do { (void) mib->mibs[0]; } while(0)
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+#define SNMP_DEC_STATS(mib, field) \
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+ do { (void) mib->mibs[0]; } while(0)
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+#define SNMP_ADD_STATS_BH(mib, field, addend) \
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+ do { (void) mib->mibs[0]; } while(0)
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+#define SNMP_ADD_STATS_USER(mib, field, addend) \
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+ do { (void) mib->mibs[0]; } while(0)
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+#define SNMP_ADD_STATS(mib, field, addend) \
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+ do { (void) mib->mibs[0]; } while(0)
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+#define SNMP_UPD_PO_STATS(mib, basefield, addend) \
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+ do { (void) mib->mibs[0]; } while(0)
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+#define SNMP_UPD_PO_STATS_BH(mib, basefield, addend) \
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+ do { (void) mib->mibs[0]; } while(0)
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+
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+#else
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+
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#define SNMP_INC_STATS_BH(mib, field) \
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__this_cpu_inc(mib->mibs[field])
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@@ -159,8 +183,9 @@ struct linux_xfrm_mib {
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__this_cpu_add(ptr[basefield##OCTETS], addend); \
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} while (0)
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+#endif
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-#if BITS_PER_LONG==32
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+#if (BITS_PER_LONG==32) && !defined(CONFIG_PROC_STRIPPED)
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#define SNMP_ADD_STATS64_BH(mib, field, addend) \
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do { \
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@ -339,3 +339,47 @@
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remove_proc_entry("dev", net->proc_net);
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}
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--- a/include/net/snmp.h
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+++ b/include/net/snmp.h
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@@ -123,6 +123,30 @@ struct linux_xfrm_mib {
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#define DECLARE_SNMP_STAT(type, name) \
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extern __typeof__(type) __percpu *name
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+#ifdef CONFIG_PROC_STRIPPED
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+#define SNMP_INC_STATS_BH(mib, field) \
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+ do { (void) mib->mibs[0]; } while(0)
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+#define SNMP_INC_STATS_USER(mib, field) \
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+ do { (void) mib->mibs[0]; } while(0)
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+#define SNMP_INC_STATS_ATOMIC_LONG(mib, field) \
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+ do { (void) mib->mibs[0]; } while(0)
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+#define SNMP_INC_STATS(mib, field) \
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+ do { (void) mib->mibs[0]; } while(0)
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+#define SNMP_DEC_STATS(mib, field) \
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+ do { (void) mib->mibs[0]; } while(0)
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+#define SNMP_ADD_STATS_BH(mib, field, addend) \
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+ do { (void) mib->mibs[0]; } while(0)
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+#define SNMP_ADD_STATS_USER(mib, field, addend) \
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+ do { (void) mib->mibs[0]; } while(0)
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+#define SNMP_ADD_STATS(mib, field, addend) \
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+ do { (void) mib->mibs[0]; } while(0)
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+#define SNMP_UPD_PO_STATS(mib, basefield, addend) \
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+ do { (void) mib->mibs[0]; } while(0)
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+#define SNMP_UPD_PO_STATS_BH(mib, basefield, addend) \
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+ do { (void) mib->mibs[0]; } while(0)
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+
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+#else
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+
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#define SNMP_INC_STATS_BH(mib, field) \
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__this_cpu_inc(mib->mibs[field])
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@@ -159,8 +183,9 @@ struct linux_xfrm_mib {
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__this_cpu_add(ptr[basefield##OCTETS], addend); \
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} while (0)
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+#endif
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-#if BITS_PER_LONG==32
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+#if (BITS_PER_LONG==32) && !defined(CONFIG_PROC_STRIPPED)
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#define SNMP_ADD_STATS64_BH(mib, field, addend) \
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do { \
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