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[xen staging] xen/trace: Removal final {__,}trace_var() users in favour of the new API



commit aa60520cd37f0f81cec543af37b89c342e915dbd
Author:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
AuthorDate: Tue Sep 21 19:55:47 2021 +0100
Commit:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Mon May 20 18:29:44 2024 +0100

    xen/trace: Removal final {__,}trace_var() users in favour of the new API
    
    The cycles parameter (which gets removed as a consequence) determines 
whether
    trace() or trace_time() is used.
    
    No functional change.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: George Dunlap <george.dunlap@xxxxxxxxx>
---
 xen/arch/x86/hvm/emulate.c      |  2 +-
 xen/arch/x86/hvm/hvm.c          |  3 +--
 xen/arch/x86/hvm/svm/svm.c      |  2 +-
 xen/arch/x86/hvm/vmx/vmx.c      |  2 +-
 xen/arch/x86/irq.c              |  2 +-
 xen/arch/x86/mm/p2m-pod.c       |  8 ++++----
 xen/arch/x86/mm/p2m-pt.c        |  2 +-
 xen/arch/x86/mm/shadow/common.c |  6 +++---
 xen/arch/x86/mm/shadow/multi.c  | 10 +++++-----
 xen/arch/x86/pv/trace.c         | 21 +++++++++++----------
 xen/common/memory.c             |  2 +-
 xen/common/trace.c              |  2 +-
 12 files changed, 31 insertions(+), 31 deletions(-)

diff --git a/xen/arch/x86/hvm/emulate.c b/xen/arch/x86/hvm/emulate.c
index d8f36206a7..a37525316c 100644
--- a/xen/arch/x86/hvm/emulate.c
+++ b/xen/arch/x86/hvm/emulate.c
@@ -67,7 +67,7 @@ static void hvmtrace_io_assist(const ioreq_t *p)
         size *= 2;
     }
 
-    trace_var(event, 0/*!cycles*/, size, buffer);
+    trace(event, size, buffer);
 }
 
 static int cf_check null_read(
diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c
index 2c92e751cb..30fb9d095a 100644
--- a/xen/arch/x86/hvm/hvm.c
+++ b/xen/arch/x86/hvm/hvm.c
@@ -5142,8 +5142,7 @@ long do_hvm_op(unsigned long op, 
XEN_GUEST_HANDLE_PARAM(void) arg)
             return -EINVAL;
 
         /* Cycles will be taken at the vmexit and vmenter */
-        trace_var(tr.event | TRC_GUEST, 0 /*!cycles*/,
-                  tr.extra_bytes, tr.extra);
+        trace(tr.event | TRC_GUEST, tr.extra_bytes, tr.extra);
         break;
     }
 
diff --git a/xen/arch/x86/hvm/svm/svm.c b/xen/arch/x86/hvm/svm/svm.c
index 6103c171d2..94fa3227b9 100644
--- a/xen/arch/x86/hvm/svm/svm.c
+++ b/xen/arch/x86/hvm/svm/svm.c
@@ -1634,7 +1634,7 @@ static void svm_do_nested_pgfault(struct vcpu *v,
         _d.mfn = mfn_x(mfn);
         _d.p2mt = p2mt;
 
-        __trace_var(TRC_HVM_NPF, 0, sizeof(_d), &_d);
+        trace(TRC_HVM_NPF, sizeof(_d), &_d);
     }
 
     switch ( ret )
diff --git a/xen/arch/x86/hvm/vmx/vmx.c b/xen/arch/x86/hvm/vmx/vmx.c
index 165a85a25b..457c991d09 100644
--- a/xen/arch/x86/hvm/vmx/vmx.c
+++ b/xen/arch/x86/hvm/vmx/vmx.c
@@ -3807,7 +3807,7 @@ static void ept_handle_violation(ept_qual_t q, paddr_t 
gpa)
         _d.qualification = q.raw;
         _d.mfn = mfn_x(get_gfn_query_unlocked(d, gfn, &_d.p2mt));
 
-        __trace_var(TRC_HVM_NPF, 0, sizeof(_d), &_d);
+        trace(TRC_HVM_NPF, sizeof(_d), &_d);
     }
 
     if ( q.gla_valid )
diff --git a/xen/arch/x86/irq.c b/xen/arch/x86/irq.c
index da54ca0f17..7243891db8 100644
--- a/xen/arch/x86/irq.c
+++ b/xen/arch/x86/irq.c
@@ -135,7 +135,7 @@ static void _trace_irq_mask(uint32_t event, int irq, int 
vector,
 
     memcpy(d.mask, mask,
            min(sizeof(d.mask), BITS_TO_LONGS(nr_cpu_ids) * sizeof(long)));
-    trace_var(event, 1, sizeof(d), &d);
+    trace_time(event, sizeof(d), &d);
 }
 
 static void trace_irq_mask(uint32_t event, int irq, int vector,
diff --git a/xen/arch/x86/mm/p2m-pod.c b/xen/arch/x86/mm/p2m-pod.c
index 9750a3a21b..1c727c78c8 100644
--- a/xen/arch/x86/mm/p2m-pod.c
+++ b/xen/arch/x86/mm/p2m-pod.c
@@ -854,7 +854,7 @@ p2m_pod_zero_check_superpage(struct p2m_domain *p2m, gfn_t 
gfn)
         t.d = d->domain_id;
         t.order = 9;
 
-        __trace_var(TRC_MEM_POD_ZERO_RECLAIM, 0, sizeof(t), &t);
+        trace(TRC_MEM_POD_ZERO_RECLAIM, sizeof(t), &t);
     }
 
     /*
@@ -1022,7 +1022,7 @@ p2m_pod_zero_check(struct p2m_domain *p2m, const gfn_t 
*gfns, unsigned int count
                 t.d = d->domain_id;
                 t.order = 0;
 
-                __trace_var(TRC_MEM_POD_ZERO_RECLAIM, 0, sizeof(t), &t);
+                trace(TRC_MEM_POD_ZERO_RECLAIM, sizeof(t), &t);
             }
 
             /* Add to cache, and account for the new p2m PoD entry */
@@ -1262,7 +1262,7 @@ p2m_pod_demand_populate(struct p2m_domain *p2m, gfn_t gfn,
         t.d = d->domain_id;
         t.order = order;
 
-        __trace_var(TRC_MEM_POD_POPULATE, 0, sizeof(t), &t);
+        trace(TRC_MEM_POD_POPULATE, sizeof(t), &t);
     }
 
     pod_unlock_and_flush(p2m);
@@ -1307,7 +1307,7 @@ remap_and_retry:
         t.d = d->domain_id;
         t.order = order;
 
-        __trace_var(TRC_MEM_POD_SUPERPAGE_SPLINTER, 0, sizeof(t), &t);
+        trace(TRC_MEM_POD_SUPERPAGE_SPLINTER, sizeof(t), &t);
     }
 
     return true;
diff --git a/xen/arch/x86/mm/p2m-pt.c b/xen/arch/x86/mm/p2m-pt.c
index 348130d0dd..666abd46be 100644
--- a/xen/arch/x86/mm/p2m-pt.c
+++ b/xen/arch/x86/mm/p2m-pt.c
@@ -608,7 +608,7 @@ p2m_pt_set_entry(struct p2m_domain *p2m, gfn_t gfn_, mfn_t 
mfn,
         t.d = d->domain_id;
         t.order = page_order;
 
-        __trace_var(TRC_MEM_SET_P2M_ENTRY, 0, sizeof(t), &t);
+        trace(TRC_MEM_SET_P2M_ENTRY, sizeof(t), &t);
     }
 
     /* Carry out any eventually pending earlier changes first. */
diff --git a/xen/arch/x86/mm/shadow/common.c b/xen/arch/x86/mm/shadow/common.c
index f93f0a4987..0176e33bc9 100644
--- a/xen/arch/x86/mm/shadow/common.c
+++ b/xen/arch/x86/mm/shadow/common.c
@@ -434,7 +434,7 @@ static inline void trace_resync(int event, mfn_t gmfn)
         /* Convert gmfn to gfn */
         gfn_t gfn = mfn_to_gfn(current->domain, gmfn);
 
-        __trace_var(event, 0/*!tsc*/, sizeof(gfn), &gfn);
+        trace(event, sizeof(gfn), &gfn);
     }
 }
 
@@ -911,7 +911,7 @@ static inline void trace_shadow_prealloc_unpin(struct 
domain *d, mfn_t smfn)
 
         ASSERT(mfn_valid(smfn));
         gfn = mfn_to_gfn(d, backpointer(mfn_to_page(smfn)));
-        __trace_var(TRC_SHADOW_PREALLOC_UNPIN, 0/*!tsc*/, sizeof(gfn), &gfn);
+        trace(TRC_SHADOW_PREALLOC_UNPIN, sizeof(gfn), &gfn);
     }
 }
 
@@ -1809,7 +1809,7 @@ static inline void trace_shadow_wrmap_bf(mfn_t gmfn)
         /* Convert gmfn to gfn */
         gfn_t gfn = mfn_to_gfn(current->domain, gmfn);
 
-        __trace_var(TRC_SHADOW_WRMAP_BF, 0/*!tsc*/, sizeof(gfn), &gfn);
+        trace(TRC_SHADOW_WRMAP_BF, sizeof(gfn), &gfn);
     }
 }
 
diff --git a/xen/arch/x86/mm/shadow/multi.c b/xen/arch/x86/mm/shadow/multi.c
index 90cf0ceaa3..bcd02b2d00 100644
--- a/xen/arch/x86/mm/shadow/multi.c
+++ b/xen/arch/x86/mm/shadow/multi.c
@@ -1979,7 +1979,7 @@ static inline void trace_shadow_gen(u32 event, guest_va_t 
va)
     if ( tb_init_done )
     {
         event |= (GUEST_PAGING_LEVELS-2)<<8;
-        __trace_var(event, 0/*!tsc*/, sizeof(va), &va);
+        trace(event, sizeof(va), &va);
     }
 }
 
@@ -2003,7 +2003,7 @@ static inline void trace_shadow_fixup(guest_l1e_t gl1e,
         d.va = va;
         d.flags = this_cpu(trace_shadow_path_flags);
 
-        __trace_var(event, 0/*!tsc*/, sizeof(d), &d);
+        trace(event, sizeof(d), &d);
     }
 }
 
@@ -2027,7 +2027,7 @@ static inline void trace_not_shadow_fault(guest_l1e_t 
gl1e,
         d.va = va;
         d.flags = this_cpu(trace_shadow_path_flags);
 
-        __trace_var(event, 0/*!tsc*/, sizeof(d), &d);
+        trace(event, sizeof(d), &d);
     }
 }
 
@@ -2053,7 +2053,7 @@ static inline void trace_shadow_emulate_other(u32 event,
         d.gfn=gfn_x(gfn);
         d.va = va;
 
-        __trace_var(event, 0/*!tsc*/, sizeof(d), &d);
+        trace(event, sizeof(d), &d);
     }
 }
 
@@ -2106,7 +2106,7 @@ static inline void trace_shadow_emulate(guest_l1e_t gl1e, 
unsigned long va)
 #endif
         d.flags = this_cpu(trace_shadow_path_flags);
 
-        __trace_var(event, 0/*!tsc*/, sizeof(d), &d);
+        trace(event, sizeof(d), &d);
     }
 }
 #endif /* CONFIG_HVM */
diff --git a/xen/arch/x86/pv/trace.c b/xen/arch/x86/pv/trace.c
index cf3897061e..70f426f209 100644
--- a/xen/arch/x86/pv/trace.c
+++ b/xen/arch/x86/pv/trace.c
@@ -19,7 +19,7 @@ void __trace_pv_trap(int trapnr, unsigned long eip,
             .error_code     = error_code,
         };
 
-        __trace_var(TRC_PV_TRAP, 1, sizeof(d), &d);
+        trace_time(TRC_PV_TRAP, sizeof(d), &d);
     }
     else
     {
@@ -35,7 +35,7 @@ void __trace_pv_trap(int trapnr, unsigned long eip,
             .error_code     = error_code,
         };
 
-        __trace_var(TRC_PV_TRAP | TRC_64_FLAG, 1, sizeof(d), &d);
+        trace_time(TRC_PV_TRAP | TRC_64_FLAG, sizeof(d), &d);
     }
 }
 
@@ -53,7 +53,7 @@ void __trace_pv_page_fault(unsigned long addr, unsigned 
error_code)
             .error_code = error_code,
         };
 
-        __trace_var(TRC_PV_PAGE_FAULT, 1, sizeof(d), &d);
+        trace_time(TRC_PV_PAGE_FAULT, sizeof(d), &d);
     }
     else
     {
@@ -66,7 +66,7 @@ void __trace_pv_page_fault(unsigned long addr, unsigned 
error_code)
             .error_code = error_code,
         };
 
-        __trace_var(TRC_PV_PAGE_FAULT | TRC_64_FLAG, 1, sizeof(d), &d);
+        trace_time(TRC_PV_PAGE_FAULT | TRC_64_FLAG, sizeof(d), &d);
     }
 }
 
@@ -75,10 +75,11 @@ void __trace_trap_one_addr(unsigned event, unsigned long va)
     if ( is_pv_32bit_vcpu(current) )
     {
         u32 d = va;
-        __trace_var(event, 1, sizeof(d), &d);
+
+        trace_time(event, sizeof(d), &d);
     }
     else
-        __trace_var(event | TRC_64_FLAG, 1, sizeof(va), &va);
+        trace_time(event | TRC_64_FLAG, sizeof(va), &va);
 }
 
 void __trace_trap_two_addr(unsigned event, unsigned long va1,
@@ -93,7 +94,7 @@ void __trace_trap_two_addr(unsigned event, unsigned long va1,
             .va2 = va2,
         };
 
-        __trace_var(event, 1, sizeof(d), &d);
+        trace_time(event, sizeof(d), &d);
     }
     else
     {
@@ -104,7 +105,7 @@ void __trace_trap_two_addr(unsigned event, unsigned long 
va1,
             .va2 = va2,
         };
 
-        __trace_var(event | TRC_64_FLAG, 1, sizeof(d), &d);
+        trace_time(event | TRC_64_FLAG, sizeof(d), &d);
     }
 }
 
@@ -123,7 +124,7 @@ void __trace_ptwr_emulation(unsigned long addr, 
l1_pgentry_t npte)
             .eip  = eip,
         };
 
-        __trace_var(TRC_PV_PTWR_EMULATION_PAE, 1, sizeof(d), &d);
+        trace_time(TRC_PV_PTWR_EMULATION_PAE, sizeof(d), &d);
     }
     else
     {
@@ -136,6 +137,6 @@ void __trace_ptwr_emulation(unsigned long addr, 
l1_pgentry_t npte)
             .rip  = eip,
         };
 
-        __trace_var(TRC_PV_PTWR_EMULATION | TRC_64_FLAG, 1, sizeof(d), &d);
+        trace_time(TRC_PV_PTWR_EMULATION | TRC_64_FLAG, sizeof(d), &d);
     }
 }
diff --git a/xen/common/memory.c b/xen/common/memory.c
index b4593f5f45..de2cc7ad92 100644
--- a/xen/common/memory.c
+++ b/xen/common/memory.c
@@ -483,7 +483,7 @@ static void decrease_reservation(struct memop_args *a)
             t.d = a->domain->domain_id;
             t.order = a->extent_order;
         
-            __trace_var(TRC_MEM_DECREASE_RESERVATION, 0, sizeof(t), &t);
+            trace(TRC_MEM_DECREASE_RESERVATION, sizeof(t), &t);
         }
 
         /* See if populate-on-demand wants to handle this */
diff --git a/xen/common/trace.c b/xen/common/trace.c
index c94ce1f7dc..27c8a19f05 100644
--- a/xen/common/trace.c
+++ b/xen/common/trace.c
@@ -868,7 +868,7 @@ void __trace_hypercall(uint32_t event, unsigned long op,
         break;
     }
 
-    __trace_var(event, 1, sizeof(uint32_t) * (1 + (a - d.args)), &d);
+    trace_time(event, sizeof(uint32_t) * (1 + (a - d.args)), &d);
 }
 
 /*
--
generated by git-patchbot for /home/xen/git/xen.git#staging



 


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