diff --git a/src/unix/notbsd/linux/musl/b32/arm.rs b/src/unix/notbsd/linux/musl/b32/arm.rs
index bfd8f7c..b87913f 100644
--- a/src/unix/notbsd/linux/musl/b32/arm.rs
+++ b/src/unix/notbsd/linux/musl/b32/arm.rs
@@ -304,3 +304,4 @@
 pub const TIOCCONS: ::c_ulong = 0x541D;
 
 pub const SYS_gettid: ::c_long = 224;
+pub const SYS_perf_event_open: ::c_long = 364;
diff --git a/src/unix/notbsd/linux/musl/b32/mips.rs b/src/unix/notbsd/linux/musl/b32/mips.rs
index 1fd9280..afe806a 100644
--- a/src/unix/notbsd/linux/musl/b32/mips.rs
+++ b/src/unix/notbsd/linux/musl/b32/mips.rs
@@ -303,3 +303,4 @@
 pub const TIOCCONS: ::c_ulong = 0x80047478;
 
 pub const SYS_gettid: ::c_long = 4222;   // Valid for O32
+pub const SYS_perf_event_open: ::c_long = 4333;  // Valid for O32
diff --git a/src/unix/notbsd/linux/musl/b32/x86.rs b/src/unix/notbsd/linux/musl/b32/x86.rs
index 6a77e81..2785547 100644
--- a/src/unix/notbsd/linux/musl/b32/x86.rs
+++ b/src/unix/notbsd/linux/musl/b32/x86.rs
@@ -305,3 +305,4 @@
 pub const TIOCCONS: ::c_ulong = 0x541D;
 
 pub const SYS_gettid: ::c_long = 224;
+pub const SYS_perf_event_open: ::c_long = 336;
diff --git a/src/unix/notbsd/linux/musl/b64/aarch64.rs b/src/unix/notbsd/linux/musl/b64/aarch64.rs
index e69de29..51db30f 100644
--- a/src/unix/notbsd/linux/musl/b64/aarch64.rs
+++ b/src/unix/notbsd/linux/musl/b64/aarch64.rs
@@ -0,0 +1 @@
+pub const SYS_perf_event_open: ::c_long = 241;
diff --git a/src/unix/notbsd/linux/musl/b64/powerpc64.rs b/src/unix/notbsd/linux/musl/b64/powerpc64.rs
index e69de29..bb81863 100644
--- a/src/unix/notbsd/linux/musl/b64/powerpc64.rs
+++ b/src/unix/notbsd/linux/musl/b64/powerpc64.rs
@@ -0,0 +1 @@
+pub const SYS_perf_event_open: ::c_long = 319;
diff --git a/src/unix/notbsd/linux/musl/b64/x86_64.rs b/src/unix/notbsd/linux/musl/b64/x86_64.rs
index 52643bb..168e242 100644
--- a/src/unix/notbsd/linux/musl/b64/x86_64.rs
+++ b/src/unix/notbsd/linux/musl/b64/x86_64.rs
@@ -1 +1,3 @@
 pub const SYS_gettid: ::c_long = 186;
+
+pub const SYS_perf_event_open: ::c_long = 298;
diff --git a/src/unix/notbsd/linux/other/b32/arm.rs b/src/unix/notbsd/linux/other/b32/arm.rs
index 8537d52..7de4b8b 100644
--- a/src/unix/notbsd/linux/other/b32/arm.rs
+++ b/src/unix/notbsd/linux/other/b32/arm.rs
@@ -20,3 +20,4 @@
 pub const FIONBIO: ::c_ulong = 0x5421;
 
 pub const SYS_gettid: ::c_long = 224;
+pub const SYS_perf_event_open: ::c_long = 364;
diff --git a/src/unix/notbsd/linux/other/b32/powerpc.rs b/src/unix/notbsd/linux/other/b32/powerpc.rs
index 52c285c..2334c1f 100644
--- a/src/unix/notbsd/linux/other/b32/powerpc.rs
+++ b/src/unix/notbsd/linux/other/b32/powerpc.rs
@@ -20,3 +20,4 @@
 pub const FIONBIO: ::c_ulong = 0x8004667e;
 
 pub const SYS_gettid: ::c_long = 207;
+pub const SYS_perf_event_open: ::c_long = 319;
diff --git a/src/unix/notbsd/linux/other/b32/x86.rs b/src/unix/notbsd/linux/other/b32/x86.rs
index edb5aa5..1b215a9 100644
--- a/src/unix/notbsd/linux/other/b32/x86.rs
+++ b/src/unix/notbsd/linux/other/b32/x86.rs
@@ -36,6 +36,7 @@
 pub const FIONBIO: ::c_ulong = 0x5421;
 
 pub const SYS_gettid: ::c_long = 224;
+pub const SYS_perf_event_open: ::c_long = 336;
 
 extern {
     pub fn getcontext(ucp: *mut ucontext_t) -> ::c_int;
diff --git a/src/unix/notbsd/linux/other/b64/aarch64.rs b/src/unix/notbsd/linux/other/b64/aarch64.rs
index d6f8b7c..d227c46 100644
--- a/src/unix/notbsd/linux/other/b64/aarch64.rs
+++ b/src/unix/notbsd/linux/other/b64/aarch64.rs
@@ -77,3 +77,4 @@
 pub const FIONBIO: ::c_ulong = 0x5421;
 
 pub const SYS_gettid: ::c_long = 178;
+pub const SYS_perf_event_open: ::c_long = 241;
diff --git a/src/unix/notbsd/linux/other/b64/powerpc64.rs b/src/unix/notbsd/linux/other/b64/powerpc64.rs
index e9494dd..72db09e 100644
--- a/src/unix/notbsd/linux/other/b64/powerpc64.rs
+++ b/src/unix/notbsd/linux/other/b64/powerpc64.rs
@@ -75,3 +75,4 @@
 pub const FIONBIO: ::c_ulong = 0x8004667e;
 
 pub const SYS_gettid: ::c_long = 207;
+pub const SYS_perf_event_open: ::c_long = 319;
diff --git a/src/unix/notbsd/linux/other/b64/x86_64.rs b/src/unix/notbsd/linux/other/b64/x86_64.rs
index 5b608e1..6903c62 100644
--- a/src/unix/notbsd/linux/other/b64/x86_64.rs
+++ b/src/unix/notbsd/linux/other/b64/x86_64.rs
@@ -96,6 +96,7 @@
 pub const PTRACE_SETREGS: ::c_uint = 13;
 
 pub const SYS_gettid: ::c_long = 186;
+pub const SYS_perf_event_open: ::c_long = 298;
 
 extern {
     pub fn getcontext(ucp: *mut ucontext_t) -> ::c_int;