VM: expose secondary cache size
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7763fd67c7
commit
3eb65448a6
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@ -45,10 +45,11 @@ _PROTOTYPE( int vm_yield_block_get_block, (u64_t yieldid, u64_t getid,
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#define VMPTYPE_SUNMAP 4
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struct vm_stats_info {
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int vsi_pagesize; /* page size */
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int vsi_total; /* total number of memory pages */
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int vsi_free; /* number of free pages */
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int vsi_largest; /* largest number of consecutive free pages */
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unsigned int vsi_pagesize; /* page size */
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unsigned long vsi_total; /* total number of memory pages */
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unsigned long vsi_free; /* number of free pages */
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unsigned long vsi_largest; /* largest number of consecutive free pages */
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unsigned long vsi_cached; /* number of pages cached for file systems */
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};
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struct vm_usage_info {
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@ -77,10 +77,11 @@ PUBLIC void vm_dmp()
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return;
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}
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printf("Total %u kB, free %u kB, largest free area %u kB\n",
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printf("Total %u kB, free %u kB, largest free %u kB, cached %u kB\n",
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vsi.vsi_total * (vsi.vsi_pagesize / 1024),
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vsi.vsi_free * (vsi.vsi_pagesize / 1024),
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vsi.vsi_largest * (vsi.vsi_pagesize / 1024));
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vsi.vsi_largest * (vsi.vsi_pagesize / 1024),
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vsi.vsi_cached * (vsi.vsi_pagesize / 1024));
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n++;
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printf("\n");
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n++;
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@ -168,6 +168,7 @@ _PROTOTYPE(int map_get_ref, (struct vmproc *vmp, vir_bytes addr, u8_t *cnt));
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_PROTOTYPE(void pb_unreferenced, (struct vir_region *region,
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struct phys_region *pr));
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_PROTOTYPE(void get_stats_info, (struct vm_stats_info *vsi));
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_PROTOTYPE(void get_usage_info, (struct vmproc *vmp,
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struct vm_usage_info *vui));
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_PROTOTYPE(int get_region_info, (struct vmproc *vmp,
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@ -1825,6 +1825,19 @@ PUBLIC int map_get_ref(struct vmproc *vmp, vir_bytes addr, u8_t *cnt)
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return OK;
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}
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/*========================================================================*
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* get_stats_info *
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*========================================================================*/
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PUBLIC void get_stats_info(struct vm_stats_info *vsi)
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{
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yielded_t *yb;
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vsi->vsi_cached = 0L;
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for(yb = lru_youngest; yb; yb = yb->older)
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vsi->vsi_cached += yb->len / VM_PAGE_SIZE;
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}
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/*========================================================================*
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* get_usage_info *
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*========================================================================*/
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@ -173,7 +173,7 @@ PUBLIC int do_info(message *m)
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static struct vm_region_info vri[MAX_VRI_COUNT];
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struct vmproc *vmp;
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vir_bytes addr, size, next, ptr;
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int r, pr, dummy, count;
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int r, pr, dummy, count, free_pages, largest_contig;
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if (vm_isokendpt(m->m_source, &pr) != OK)
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return EINVAL;
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@ -185,7 +185,11 @@ PUBLIC int do_info(message *m)
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case VMIW_STATS:
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vsi.vsi_pagesize = VM_PAGE_SIZE;
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vsi.vsi_total = total_pages;
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memstats(&dummy, &vsi.vsi_free, &vsi.vsi_largest);
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memstats(&dummy, &free_pages, &largest_contig);
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vsi.vsi_free = free_pages;
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vsi.vsi_largest = largest_contig;
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get_stats_info(&vsi);
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addr = (vir_bytes) &vsi;
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size = sizeof(vsi);
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